States of Matter and Changes Quiz for Class 9 Science
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Questions and Answers

What is the physical state of matter in which particles have the least kinetic energy?

  • Plasma
  • Solid (correct)
  • Liquid
  • Gas

    • Which of the following is an example of a physical change in matter?

  • Burning of wood
  • Cooking of food
  • Melting of ice (correct)
  • Rusting of iron

    • What happens to the volume of a gas when its temperature is increased at constant pressure?

  • It remains constant
  • It becomes a liquid
  • It increases (correct)
  • It decreases

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