Thermal Properties of Matter – Online MCQs Test – Physics 9th

1. Thermal energy transfer required to change a liquid into gas without changing its temperature is called _____________

2. Wet clothes dry in sun due to the:

3. Thermal energy transfer required to change a solid into liquid without changing its temperature is called ___________

4. Which one is correct to convert temperature from Celsius scale to Fahrenheit scale?

5. Boiling point of water is:

6. Heat capacity depends upon the nature of material

7. It is used to control temperature of ovens, irons water heaters, refrigerators, air conditioners and so on.

8. A fixed temperature at which a pure liquid boils is called ________

9. It is the degree of hotness of a body.

10. Which one is correct to convert temperature from Celsius scale to Kelvin scale?

11. The melting point of ice at normal atmospheric pressure is called ___________

12. Heat is the form of ___________

13. Which statement is true for evaporation?

14. Volatile liquids have:

15. The amount of heat needed to convert a substance from liquid to gas is called________

16. Rate of evaporation of a liquid can be increased by _____________

17. The Heat of vaporization for water at 100^oC is about:

18. The co-efficient of volume expansion of liquids is:

19. Amount of heat required to raise the temperature of 1kg of a substance through 1^oC is called:

20. The heat of fusion for water at 0^oC is approximately: