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Matter in Our Surroundings

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Multiple Choice

Which of the following statements is/are correct?

a. The energy supplied to the particles during heating is used to overcome the forces of attraction.
b. A gas is liquefied by applying high pressure and increasing the temperature.
c. Gaseous state of ammonia at room temperature is an example of vapour.

  1. Only a
  2. Only b
  3. Only c
  4. Only a and c
  5. Only b and c