Topic 1: Physical Nature of Matter – 30 MCQs

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🧪 Topic 1: Physical Nature of Matter

1. Which of the following best defines matter?

A. Anything that has mass and occupies space B. Anything that can be seen and touched C. Anything visible D. Any liquid or solid

2. What is the smallest particle of matter?

A. Cell B. Atom C. Molecule D. Electron

3. Which statement about matter is true?

A. Particles of matter are easily visible B. Matter is continuous C. Particles of matter are extremely small D. Matter does not exist in gases

4. Matter is composed of:

A. Tiny particles B. Continuous sheets C. Dust particles D. Waves

5. When sugar is added to water, it disappears. This proves:

A. Sugar is heavier than water B. Water breaks sugar into atoms C. Water particles are bigger D. Particles of matter have space between them

6. Why can't we see the particles of matter?

A. They are transparent B. They move very fast C. They are very small D. They are not present

7. What does the spreading of a drop of ink in water show?

A. Water has color B. Particles of matter move and mix C. Ink is heavier D. Ink particles vanish

8. What keeps the particles of matter bound together?

A. Force of attraction B. Gravitational pull C. Pressure D. Volume

9. Which of the following is not matter?

A. Water B. Air C. Light D. Sand

10. The smell of perfume spreads in a room because:

A. Perfume evaporates quickly B. Perfume is light C. Air flows fast D. Particles of gas diffuse in air

11. Which factor is responsible for different states of matter?

A. Arrangement and movement of particles B. Color of substance C. Shape of matter D. Source of matter

12. What type of energy do particles of matter possess?

A. Potential energy B. Heat energy C. Kinetic energy D. Chemical energy

13. What is the process of mixing of particles called?

A. Evaporation B. Diffusion C. Condensation D. Fusion

14. Why do solids have definite shape?

A. Tightly packed particles B. High temperature C. High diffusion D. Slow motion

15. Which state of matter has more space between particles than solids?

A. Solids B. Plasma C. Bose-Einstein Condensate D. Liquids

16. Why do gases have no fixed shape or volume?

A. High mass B. Slow motion C. Very weak attraction between particles D. Particles are static

17. Which of the following is always true about matter?

A. Particles are in constant motion B. Particles are visible C. Matter does not have mass D. Particles do not attract each other

18. Which state of matter has the least inter-particle space?

A. Gas B. Plasma C. Liquid D. Solid

19. The space between particles in matter is known as:

A. Gravitational space B. Intermolecular space C. Electrostatic gap D. Atomic gap

20. What is the most basic property of matter?

A. It glows B. It breaks easily C. It has mass and occupies space D. It dissolves in water

21. What does the rate of diffusion depend on?

A. Size of particles B. Colour of matter C. Taste D. Shape of particles

22. How do particles move in a solid?

A. Freely B. Fast and random C. Bounce off each other D. Vibrate in fixed positions

23. Which of the following best describes the nature of particles in liquids?

A. Tightly packed and immobile B. Loosely packed and mobile C. Free and unbounded D. Highly compressed

24. Which of the following is matter?

A. Sound B. Heat C. Oxygen D. Thought

25. Plasma is:

A. Ionized gas B. Solid C. Gel D. Frozen liquid

26. What happens to the motion of particles as temperature increases?

A. It remains the same B. It increases C. It decreases D. It stops

27. Which of the following is NOT a characteristic of particles of matter?

A. They are very small B. They attract each other C. They have space between them D. They remain fixed in space

28. Which state of matter has both definite shape and volume?

A. Liquid B. Gas C. Solid D. Plasma

29. In which state does diffusion occur most rapidly?

A. Solid B. Gas C. Liquid D. Plasma

30. How many fundamental states of matter are commonly discussed in NCERT Class 9?

A. Three B. Five C. Four D. Six

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