Nature of Matter MCQs with FREE PDF (Basic Concepts of Chemistry)

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Nature of Matter MCQs

1. Which of the following is not a pure substance?

a) Copper

b) Gold

c) Sugar solution

d) Water

Answer: Sugar solution

2. What are pure substances classified as?

a) Elements and Atoms

b) Molecules and Compounds

c) Elements and Compounds

d) Atoms and Molecules

Answer: Elements and Compounds

3. When two or more atoms of different elements combine with each other in a fixed ratio, the molecule of a ____ is obtained.

a) Compound

b) Element

c) Atom

d) Ion

Answer: Compound

4. Compounds cannot be separated by chemical methods.

a) True

b) False

Answer: False

5. Point out an example of a compound.

a) Sugar solution

b) Hydrogen

c) Ammonia

d) Sodium

Answer: Ammonia

6. Water is a/an _______

a) Element

b) Compound

c) Pure substance

d) Mixture

Answer: Compound

7. The substances whose compositions are not uniform and different components are mixed are called _______

a) Homogenous substances

b) Heterogeneous substances

c) Pure substances

d) Elements

Answer: Heterogeneous substances

8. A ________ is made up of two or more pure substances which may be in any ratio.

a) Mixture

b) Element

c) Molecule

d) Atom

Answer: Mixture

9. Matter can be divided into two types i.e. mixture and pure substance.

a) True

b) False

Answer: True

10. Which among the three states of matter has a definite shape and size?

a) Solids

b) Liquids

c) Gases

d) Vapor

Answer: Solids

Nature of Matter MCQs PDF Download

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