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

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

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

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

4. Specific heat of water is :

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

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

7. Which statement is NOT true for boiling?

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

9. Heat capacity is the product of mass and ____________

10. Evaporation causes:

11. It is a term in physics that describe how much heat is added to a substance to raise its temperature by 1^oC

12. Salty water evaporates:

13. The S.I unit of heat is:

14. Volatile liquids have:

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

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

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

18. Wet clothes dry in sun due to the:

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

20. Heat is the form of ___________