SEBA Class 9 Science Chapter 2 Is Matter Around Us Pure? MCQs (2026–27) – Assam Eduverse
The SEBA Class 9 Science Chapter 2 Is Matter Around Us Pure? MCQs (2026–27) are prepared strictly according to the latest ASSEB syllabus and updated board exam pattern. These SEBA Class 9 Science Chapter 2 Is Matter Around Us Pure? MCQs include important objective questions, conceptual MCQs, and exam-focused practice sets designed to strengthen board exam preparation.
Prepared by subject experts of Assam Eduverse, these SEBA Class 9 Science Chapter 2 MCQs cover key topics such as mixtures, solutions, colloids, suspensions, separation techniques, and physical & chemical changes. Practicing these Is Matter Around Us Pure MCQs Class 9 SEBA and Assam Board Class 9 Science objective questions improves conceptual clarity and accuracy in MCQ-based exams. For more practice, explore Class 9 Science chapterwise MCQs and SEBA Class 9 MCQs.
Regular revision of these ASSEB Class 9 Science Important MCQs helps students master Chapter 2 concepts effectively and perform better in exams. You can also check the detailed solutions here: SEBA Class 9 Science Chapter 2 Is Matter Around Us Pure Solutions, or explore complete resources from SEBA Class 9 & 10 study materials and SEBA Class 9 syllabus.
SEBA Class 9 Science Chapter 2 Is Matter Around Us Pure? MCQs – ASSEB 2026–27 Board Exam Practice
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Before You Start
Test your knowledge with the SEBA Class 9 Science MCQs Quiz. Read each question carefully and select the correct answer. Your answer is checked instantly after you choose an option, and a detailed explanation appears immediately to help you learn every concept and improve your exam preparation.
From a chemical standpoint, a pure substance always consists of:
✅ Correct Answer
Concept Explanation
A pure substance is a form of matter that has a constant chemical composition and distinct properties throughout the sample. It is made up of only one kind of particle, which can either be identical atoms (like pure iron) or identical molecules (like distilled water).
Which of the following mixtures exhibits a completely uniform composition throughout and is classified as a homogeneous mixture?
✅ Correct Answer
Concept Explanation
Homogeneous mixtures possess a uniform composition at the microscopic level where the individual components cannot be seen separately. When sugar completely dissolves in water, it forms a true solution where the sugar molecules distribute evenly among the water molecules. Oil and water, salt and iron filings, and soil all have distinct visible boundaries and are heterogeneous.
Which of the following substances represents a heterogeneous mixture with non-uniform composition?
✅ Correct Answer
Concept Explanation
A heterogeneous mixture contains physically distinct parts with separate properties and non-uniform distributions. Since oil and water are immiscible liquids, they do not mix together and instead form two separate layers with clear boundaries, making it a heterogeneous mixture. Air, salt solutions, and filtered lemonade are homogeneous.
The specific component of a chemical solution that is present in the larger amount is called the:
✅ Correct Answer
Concept Explanation
A binary solution consists of two primary parts: the solute and the solvent. The component that dissolves the other substance and is present in the larger quantity is called the solvent. The component present in the lesser quantity is the solute. Residue and filtrate are terms related to filtration processes rather than solution components.
The individual dispersed particles within a true solution fall into which size category?
✅ Correct Answer
Concept Explanation
Particles in a true solution are extremely small, with a diameter smaller than 1 nanometre (10⁻⁹ metres). Because of this microscopic size, they cannot be seen by the naked eye or an ordinary microscope, they do not scatter light beams, and they easily pass through filter papers.
Which of the following choices successfully scatters a beam of light, thereby demonstrating the Tyndall effect?
✅ Correct Answer
Concept Explanation
The Tyndall effect is the phenomenon where light is scattered by colloidal particles suspended in a mixture. Milk is a colloid containing tiny droplets of fat and protein dispersed throughout water. These particles are large enough to scatter a beam of light passing through them, unlike true solutions (salt, sugar, and copper sulphate solutions) whose particles are too small to scatter light.
Which of the following option combinations correctly describes the basic nature and structural stability of a suspension?
✅ Correct Answer
Concept Explanation
A suspension is a heterogeneous mixture containing solid particles large enough for sedimentation. It is considered unstable because if left undisturbed for a short period of time, the suspended solute particles will slowly settle out at the bottom of the container due to gravity.
Which separation method relies on rapid spinning to isolate low-density cream from denser milk?
✅ Correct Answer
Concept Explanation
Centrifugation is a mechanical technique that separates mixtures based on particle density by spinning them at very high speeds. When milk is centrifuged, the denser liquid components are forced to the outer perimeter, while the lighter, low-density cream particles separate and collect near the center axis.
Which laboratory separation technique is best suited to isolate a mixture of solid camphor and common salt?
✅ Correct Answer
Concept Explanation
Camphor is a volatile solid that undergoes sublimation, transitioning directly from a solid state to a gaseous state upon heating without melting. Common salt does not sublime at these temperatures, meaning heating the mixture allows the camphor to vaporize away and collect separately on a cool surface.
Chromatography is an analytical laboratory technique primarily applied to separate:
✅ Correct Answer
Concept Explanation
Chromatography is a chemical separation technique that isolates components of a mixture based on their differential solubility and distribution between a stationary phase and a moving mobile phase. A classic application is separating the constituent pigments or colorants that make up a dye solution.
Which process is used to separate two miscible liquids that display a significant and sufficient difference in their boiling points?
✅ Correct Answer
Concept Explanation
Simple distillation works by heating a liquid mixture containing miscible components to its boiling point, turning the more volatile liquid into a vapor, and tracking it into a condenser column where it cools back into a pure liquid. This technique requires a high difference in boiling points between the components.
Fractional distillation becomes necessary rather than simple distillation when the boiling points of miscible liquids differ by:
✅ Correct Answer
Concept Explanation
When the difference in boiling points between two miscible liquids is narrow—specifically less than 25 Kelvin (or 25°C)—simple distillation cannot effectively isolate them because both components would vaporize simultaneously. Fractional distillation solves this by introducing a fractionating column filled with glass beads to create multiple condensation-vaporization cycles.
Which purification technique is best suited to remove impurities and obtain highly pure crystals from an impure solid sample?
✅ Correct Answer
Concept Explanation
Crystallisation is a highly effective chemical purification method where an impure solid is dissolved in a minimum amount of hot solvent. As the solution cools down, the target substance precipitates out as highly pure, organized solid crystals, while the soluble impurities remain left behind in the surrounding solvent solution.
Which of the following processes represents a physical change rather than a chemical transformation?
✅ Correct Answer
Concept Explanation
A physical change alters the physical state or appearance of a substance without modifying its underlying chemical composition. Melting butter is a simple phase transition from solid to liquid that can easily be reversed by cooling, and no new chemical substances are generated. Rusting, burning, and cooking break bonds and form entirely new chemical products.
Which of the following processes represents a chemical change where new substances are formed?
✅ Correct Answer
Concept Explanation
A chemical change occurs when a chemical reaction takes place, breaking and forming atomic bonds to yield completely new substances with different properties. When iron rusts, it reacts chemically with environmental oxygen and moisture to create iron oxide, an entirely new chemical compound. Dissolving, freezing, and cutting are physical changes.
By modern chemical classification, an element is defined as a fundamental substance that:
✅ Correct Answer
Concept Explanation
An element is the most basic chemical form of matter. Robert Boyle and later Antoine Lavoisier established that an element consists of only one unique type of atom and cannot be structurally decomposed or broken down into simpler matter using chemical reactions.
Under typical room temperature conditions, the element Mercury is uniquely classified as a:
✅ Correct Answer
Concept Explanation
While almost all metallic elements remain solid structures at standard room temperature, Mercury (Hg) is a unique exception. It retains all classic metallic behaviors (electrical conductivity, high density, and luster) but exists naturally in a liquid physical state.
A pure chemical compound is formed under which of the following specific circumstances?
✅ Correct Answer
Concept Explanation
According to the Law of Definite Proportions, a compound forms exclusively when atoms of different elements bond with one another chemically in fixed, unchanging mass ratios. Physical combinations create mixtures, not chemical compounds.
The elemental or molecular composition of any standard mixture is considered:
✅ Correct Answer
Concept Explanation
Unlike pure compounds, mixtures do not possess an exact, chemically locked formula. The relative quantities of components inside a mixture are variable, meaning you can add more or less of a component (like dissolving varying amounts of salt in water) without altering the basic identity of the components.
The physical and chemical properties exhibited by a compound are:
✅ Correct Answer
Concept Explanation
When elements chemically combine to generate a compound, they lose their individual original identities. The newly formed compound exhibits an entirely different set of chemical and physical properties. For example, explosive sodium metal and poisonous chlorine gas combine chemically to form safe, edible common table salt (sodium chloride).
Assertion (A): A true chemical solution does not demonstrate the Tyndall effect.
Reason (R): The individual solute particles within a true solution are extremely small.
✅ Correct Answer
Concept Explanation
True solutions possess a uniform, single-phase layout where the dissolved solute particles are smaller than 1 nanometre in diameter. Because these particles are so small, they lack the physical profile needed to intercept and scatter light rays, meaning light passes straight through without displaying the Tyndall effect.
Assertion (A): The components of a suspension can be separated using standard filtration methods.
Reason (R): The solid particles within a suspension are large enough to be visible to the naked eye.
✅ Correct Answer
Concept Explanation
The solid particles making up a suspension are relatively large (typically greater than 100 nanometres) and can be seen easily without magnification. Because these macro-scale particles cannot pass through the tiny pores of standard laboratory filter paper, filtration separates them perfectly as residue.
Assertion (A): A pure chemical compound always possesses a fixed, unchanging chemical composition.
Reason (R): The underlying elements are chemically combined with one another in a fixed proportion by mass.
✅ Correct Answer
Concept Explanation
According to the Law of Constant Composition, a compound is formed by a distinct chemical reaction where atoms link together in precise ratios. Because these constituent elements are bound in definite proportions by mass, the absolute chemical composition of any given compound sample is always identical.
Assertion (A): Atmospheric air is chemically classified as a heterogeneous mixture.
Reason (R): Air contains a blend of many distinct elemental and molecular gases.
✅ Correct Answer
Concept Explanation
The assertion is false because clean, filtered air is actually classified as a homogeneous mixture, as its gaseous components (Nitrogen, Oxygen, Carbon Dioxide, etc.) are mixed uniformly without any distinct phase boundaries. The reason statement itself is true: air does contain a blend of different gases.
Assertion (A): The burning of a wax candle is classified as a chemical change.
Reason (R): Entirely new chemical substances are generated during the combustion process.
✅ Correct Answer
Concept Explanation
When a candle burns, the hydrocarbons within the wax react chemically with atmospheric oxygen (combustion). This chemical reaction breaks old molecular bonds and generates entirely new substances, namely carbon dioxide gas, water vapor, and soot, making it a definitive chemical change.
Assertion (A): Colloids are classified as heterogeneous mixtures.
Reason (R): The constituent particles of a colloid are uniformly spread throughout its bulk volume and cannot be individually seen by the naked eye.
✅ Correct Answer
Concept Explanation
A colloid appears visually to be homogeneous because its particles are dispersed uniformly and are too small to be seen individually by the naked eye. However, at a microscopic level, it remains a heterogeneous mixture because it contains separate phases (the dispersed phase and the dispersion medium). The reason statement is factually accurate but does not explain why the colloid is classified as heterogeneous.
Assertion (A): Fractional distillation is the primary industrial method used to separate the individual component gases of atmospheric air.
Reason (R): The distinct elemental and molecular gases present in atmospheric air possess different boiling points.
✅ Correct Answer
Concept Explanation
Atmospheric air is liquefied by increasing pressure and decreasing temperature. This liquid air is then allowed to warm up slowly in a fractional distillation column, where the different gases separate at different heights based on their unique boiling points (e.g., Nitrogen boils at -196°C, Argon at -186°C, and Oxygen at -183°C).
Assertion (A): The independent components of a mixture can be isolated using physical separation methods.
Reason (R): Within any given mixture, the constituent substances are not chemically bonded or combined with one another.
✅ Correct Answer
Concept Explanation
Because the components of a mixture retain their individual chemical identities and are only physically blended together rather than chemically reacted, they can be separated by taking advantage of variations in their physical properties (such as particle size, density, boiling point, or solubility) using techniques like filtration, distillation, or evaporation.
Assertion (A): A saturated chemical solution can dissolve more solute when maintained at that exact same temperature.
Reason (R): A saturated solution already contains the absolute maximum amount of solute possible at that specific temperature.
✅ Correct Answer
Concept Explanation
The assertion is false because a saturated solution by definition cannot dissolve any more solute at that particular temperature. The reason statement is true: a solution becomes saturated precisely when it has dissolved the maximum amount of solute that the solvent capacity allows at that thermal benchmark.
Assertion (A): Chemical elements cannot be decomposed or broken down into simpler chemical substances via regular chemical reactions.
Reason (R): Elements are basic forms of matter composed of only one unique kind of atom.
✅ Correct Answer
Concept Explanation
An element represents a foundational chemical substance containing atoms that all possess the identical atomic number (proton count). Because it consists of only one kind of atom, it is impossible to break it down into simpler component chemical substances using conventional chemical methods.
Which of the following listed materials are scientifically categorized as homogeneous mixtures? - (i) Atmospheric air
- (ii) A standard aqueous salt solution
- (iii) A mixture of oil and water
- (iv) Commercial vinegar solution
✅ Correct Answer
Concept Explanation
Air, salt solutions, and vinegar (acetic acid dissolved in water) all exhibit uniform molecular compositions without any physical phase boundaries, making them homogeneous. A mixture of oil and water is immiscible, showing clear phase separations, which classifies it as a heterogeneous system.
Which of the following items are classic real-world examples of colloids? - (i) Whole milk
- (ii) Atmospheric fog
- (iii) Airborne smoke
- (iv) A clear aqueous salt solution
✅ Correct Answer
Concept Explanation
Milk (emulsion), fog (liquid aerosol), and smoke (solid aerosol) all contain dispersed particles ranging between 1 and 100 nanometres, which matches the defining scale of colloids. A salt solution forms a true solution because its individual dissolved ions dissolve at a size smaller than 1 nanometre.
Which of the following options represent legitimate physical methods used to separate the component parts of a mixture? - (i) Laboratory filtration
- (ii) Thermal distillation
- (iii) Solvent crystallisation
- (iv) A decomposition chemical reaction
✅ Correct Answer
Concept Explanation
Filtration, distillation, and crystallisation isolate components based strictly on physical properties (like size, solubility, and boiling points) without breaking or forming chemical bonds. Chemical reactions change the internal identity of the target substances, so they are not categorized as physical separation methods.
Which of the following traits represent true characteristic properties of a physical suspension? - (i) The dispersed particles are large enough to be visible
- (ii) Dispersed particles settle out completely upon standing
- (iii) The mixture successfully demonstrates the Tyndall effect
- (iv) It forms a completely homogeneous mixture
✅ Correct Answer
Concept Explanation
Suspensions are heterogeneous mixtures containing macro-scale particles that scatter light beams (showing the Tyndall effect) and can be seen easily by the naked eye. Because these particles are large and heavy, they precipitate out as sediment under the influence of gravity if left undisturbed.
Which of the following modifications are classified as physical changes? - (i) The melting of solid ice into liquid water
- (ii) The boiling of liquid water into steam
- (iii) The chemical rusting of iron surfaces
- (iv) The physical cutting of raw wood
✅ Correct Answer
Concept Explanation
Melting ice, boiling water, and cutting wood change only the physical state, shape, or appearance of the target material without creating new substances. Rusting changes the chemical composition of iron into iron oxide, which makes it a chemical change.
Which of the following events represent classic chemical changes? - (i) The burning of natural wood
- (ii) The biological digestion of food
- (iii) The freezing of water into ice
- (iv) The oxidative rusting of iron
✅ Correct Answer
Concept Explanation
Burning wood (combustion), digesting food (enzymatic breakdown), and rusting iron (oxidation) involve chemical reactions that break bonds and produce brand-new substances. Freezing water is a physical phase transition between liquid and solid states of the same underlying H₂O molecules.
Which of the following chemical elements are classified as metals? - (i) Iron
- (ii) Copper
- (iii) Oxygen
- (iv) Sodium
✅ Correct Answer
Concept Explanation
Iron, copper, and sodium display standard metallic features, including high electrical conductivity, malleability, ductility, and metallic luster. Oxygen is a gaseous element situated on the right side of the periodic table, meaning it is classified as a non-metal.
Which of the following elemental entries are classified cleanly as non-metals? - (i) Gaseous oxygen
- (ii) Liquid bromine
- (iii) Crystalline silicon
- (iv) Gaseous hydrogen
✅ Correct Answer
Concept Explanation
Oxygen, bromine, and hydrogen lack metallic traits and are categorized as non-metals. Silicon occupies a position along the boundary line of the periodic table, possessing traits of both metals and non-metals, which means it is classified as a metalloid.
Which of the following substances are properly classified as chemical compounds? - (i) Pure water
- (ii) Carbon dioxide
- (iii) Atmospheric air
- (iv) Calcium oxide
✅ Correct Answer
Concept Explanation
Water (H₂O), carbon dioxide (CO₂), and calcium oxide (CaO) are pure substances formed by two or more elements chemically combined in fixed ratios. Atmospheric air is a physical mixture of distinct gases whose concentrations can vary, so it is classified as a mixture rather than a compound.
Which of the following descriptions are factually accurate regarding chemical compounds? - (i) They possess a strictly fixed, definite composition by mass
- (ii) The individual constituent elements are chemically combined
- (iii) Their components can be easily separated by everyday physical methods
- (iv) Their chemical properties are entirely different from the source elements
✅ Correct Answer
Concept Explanation
Compounds are characterized by having elements chemically bonded in a fixed mass ratio, yielding properties completely unique from the original source components. Because their constituents are bound together by strong chemical bonds, they can only be separated using chemical or electrochemical reactions, not physical methods.
Match the separation methodology in Column A with its optimal application listed in Column B:
| Column A | Column B |
|---|---|
| (a) Filtration | (1) Separate cream from milk |
| (b) Sublimation | (2) Separate dye pigments from ink |
| (c) Centrifugation | (3) Separate insoluble solid from liquid |
| (d) Chromatography | (4) Separate camphor from salt |
✅ Correct Answer
Concept Explanation
Filtration removes suspended insoluble particles from a fluid channel. Sublimation uses heat to vaporize volatile components like camphor away from non-volatile matter. Centrifugation spins mixtures at high speed to separate low-density cream from milk, and chromatography isolates different dissolved colorants based on their differential solubilities.
Match the classification of matter in Column A with its defining description in Column B:
| Column A | Column B |
|---|---|
| (a) True Solution | (1) Heterogeneous and stable |
| (b) Suspension | (2) Homogeneous mixture |
| (c) Colloid | (3) Heterogeneous and unstable |
| (d) Compound | (4) Fixed chemical composition |
✅ Correct Answer
Concept Explanation
A true solution is a homogeneous mixture with a single phase. A suspension is a heterogeneous system whose large particles settle over time, making it unstable. Colloids are heterogeneous but their small particle sizes prevent them from settling out, making them stable. Compounds are pure substances characterized by an unchangeable, fixed chemical composition.
Match the solution terms in Column A with their properties in Column B:
| Column A | Column B |
|---|---|
| (a) Solute | (1) Dissolves the secondary component |
| (b) Solvent | (2) Component present in a lesser amount |
| (c) Saturated solution | (3) Retains the capacity to dissolve more solute |
| (d) Unsaturated solution | (4) Reached the limit and cannot dissolve more solute |
✅ Correct Answer
Concept Explanation
The solute is the minor component distributed inside a solution, while the solvent is the major component that does the dissolving work. A saturated solution has reached its limit and cannot take on any more solute at that temperature, while an unsaturated solution can dissolve additional solute.
Match the classification categories in Column A with their chemical attributes in Column B:
| Column A | Column B |
|---|---|
| (a) Physical change | (1) Core oxidation like rusting |
| (b) Chemical change | (2) Phase alteration like the melting of ice |
| (c) Chemical mixture | (3) Fundamental matter that cannot be broken chemically |
| (d) Pure element | (4) Features a variable composition ratio |
✅ Correct Answer
Concept Explanation
Melting ice is a physical change because the chemical identity of the water molecules is not modified. Rusting is a chemical change because new compounds are generated. Mixtures possess variable compositions without fixed formulas, and elements are fundamental chemical substances that cannot be simplified using standard chemical methods.
Match the laboratory separation technique in Column A with its key parameter in Column B:
| Column A | Column B |
|---|---|
| (a) Simple distillation | (1) Isolates two immiscible liquid layers |
| (b) Fractional distillation | (2) Isolates miscible liquids with high boiling differences |
| (c) Crystallisation | (3) Required when there is a small difference in boiling points |
| (d) Separating funnel | (4) Used for the pure isolation of solids |
✅ Correct Answer
Concept Explanation
Simple distillation separates miscible liquids that have a high difference in boiling points. Fractional distillation handles miscible liquids whose boiling point values are close (less than 25 K difference). Crystallisation yields pure solid frameworks from crude mixtures, and a separating funnel uses density differences to drain away immiscible liquid layers.
Match the colloid entry in Column A with its exact colloidal subtype system in Column B:
| Column A | Column B |
|---|---|
| (a) Fog | (1) Emulsion (liquid dispersed in liquid) |
| (b) Milk | (2) Aerosol (liquid droplets dispersed in gas) |
| (c) Smoke | (3) Aerosol (solid particulates dispersed in gas) |
| (d) Jelly | (4) Gel (liquid dispersed within a solid framework) |
✅ Correct Answer
Concept Explanation
Fog consists of liquid moisture droplets dispersed inside a gas medium, making it a liquid aerosol. Milk is an emulsion composed of liquid fat molecules distributed through an aqueous fluid. Smoke contains solid carbon ash particulates floating in gas, and jelly forms a gel where liquid fractions are trapped inside a rigid solid network.
Match the materials in Column A with their structural chemical classification in Column B:
| Column A | Column B |
|---|---|
| (a) Pure Iron | (1) Non-uniform or uniform mixture |
| (b) Pure Sulphur | (2) Metallic element |
| (c) Iron Sulphide | (3) Pure chemical compound |
| (d) Atmospheric Air | (4) Non-metallic element |
✅ Correct Answer
Concept Explanation
Iron is a metallic element located in the transition block of the periodic table. Sulphur is a solid non-metal. Iron sulphide (FeS) is a pure compound formed by the chemical combination of iron and sulphur under heat. Air is a physical mixture of separate gaseous components.
Match the separation mechanism in Column A with its underlying laboratory objective in Column B:
| Column A | Column B |
|---|---|
| (a) Evaporation | (1) Isolates highly pure solid crystals from solution |
| (b) Crystallisation | (2) Forces out heavy fractions by high-speed spinning |
| (c) Centrifugation | (3) Separates macro-scale insoluble solid grains |
| (d) Filtration | (4) Drives away the volatile solvent fraction under heat |
✅ Correct Answer
Concept Explanation
Evaporation vaporizes a volatile liquid solvent to leave behind non-volatile solutes. Crystallisation cools a hot solution slowly to form high-purity geometric solid crystals. Centrifugation spins samples at high velocity to sediment heavy particles based on density differences, and filtration runs fluid mixtures through a porous barrier to block large insoluble grains.
Match the element group category in Column A with its defining property hallmark in Column B:
| Column A | Column B |
|---|---|
| (a) Typical Metal | (1) A unique metallic element that exists in liquid state |
| (b) Typical Non-metal | (2) Displays poor thermal and electrical conductivity |
| (c) Metalloid Element | (3) Exhibits intermediate properties between clear classes |
| (d) Element Mercury | (4) Highly effective electrical and thermal conductor |
✅ Correct Answer
Concept Explanation
Metals characteristically display high electrical conductivity. Non-metals generally act as insulators with poor thermal and electrical conductivity. Metalloids exhibit properties along the boundary between metals and non-metals, and Mercury is unique as the only metallic element that remains liquid at standard temperature.
Match the structural matter class in Column A with its identifying system hallmark in Column B:
| Column A | Column B |
|---|---|
| (a) Homogeneous mixture | (1) Displays a fully uniform composition throughout |
| (b) Heterogeneous mixture | (2) Displays non-uniform structural distribution boundaries |
| (c) Chemical compound | (3) Formed by elements bound in fixed structural proportions |
| (d) Colloidal system | (4) Scatters light beams via the optical Tyndall effect |
✅ Correct Answer
Concept Explanation
Homogeneous mixtures blend completely to form a single uniform phase. Heterogeneous mixtures show visible boundaries and variable distributions. Compounds contain elements chemically joined in rigid proportions by mass, and colloids possess unique sub-microscopic particle scales that scatter light paths to demonstrate the Tyndall effect.
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SEBA Class 9 Science Chapter 2 Is Matter Around Us Pure? MCQs – Important Objective Questions
A clear understanding of Is Matter Around Us Pure? is essential for developing strong fundamentals in Chemistry. Practicing well-designed MCQs based on the latest SEBA (ASSEB) syllabus helps students not only revise important concepts but also understand how objective questions are asked in exams.
These SEBA Class 9 Science Chapter 2 MCQs focus on key topics such as types of mixtures, solutions, colloids, suspensions, separation techniques, and the difference between physical and chemical changes. Since these concepts are frequently tested, regular practice allows students to build clarity and avoid common mistakes while answering tricky questions.
Working through such important objective questions for Class 9 Science also improves problem-solving ability and helps students quickly identify the correct answers during exams. It strengthens conceptual understanding rather than rote learning, which is crucial for scoring well in both objective and descriptive sections.
Another major benefit of consistent MCQ practice is improved speed and accuracy. Students become more confident in handling different question patterns, managing time effectively, and revising the entire chapter in a structured way before exams.
To perform better in school assessments and board-based examinations, students should make these MCQs a part of their regular study routine. With continuous practice and proper understanding, scoring high in this chapter becomes much more achievable.
FAQs – SEBA Class 9 Science Chapter 2 Is Matter Around Us Pure? MCQs
1. How important are MCQs from “Is Matter Around Us Pure?” for SEBA Class 9 exams?
Very important—around 45 MCQs come from Science. Focus on concepts like mixtures, solutions, and separation techniques to score quickly and confidently.
2. Which topics are most asked in SEBA Class 9 Science Chapter 2 MCQs?
Common topics include types of mixtures, concentration terms, and separation methods. Practice numericals on concentration—they often appear in MCQs.
3. Where can I download SEBA Class 9 Science Chapter 2 MCQs with answers PDF?
You can download chapter-wise MCQs from Assam Eduverse and other educational sites. Always revise answers alongside explanations for better understanding.
4. Are numericals asked in MCQs from “Is Matter Around Us Pure?” chapter?
Yes, simple numericals on concentration (like mass by mass %) are asked. Practice formulas regularly—they’re easy marks if concepts are clear.
5. Is Chapter 2 difficult for SEBA Class 9 students?
Not really—it's conceptual but easy with practice. Focus on definitions and examples; solving MCQs daily will make it much simpler.
6. How to prepare fast for SEBA Class 9 Science Chapter 2 MCQs before exam?
Revise key concepts, practice 30–50 MCQs daily, and check mistakes. Assam Eduverse MCQ sets are helpful for quick revision before exams.
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