General Knowledge Quiz - General Science - Heat

Gemeral Knowledge Quiz - General Science - Heat & Temperature

1. According to the peinciple of method of mixtures, the net heat lost by the hot bodies is = ____

   1.Heat energy supplied

   2.Net heat gained by cold bodies

   3.Difference in thermal equilibrium

   4.Difference in temperature

2. Latent heat of vapourization of water is

   1. 100 cal/g         2. 540 cal/g

   3.80 cal/g            4. 340 cal/g

3. An object A at 10⁰C and another object B at 10 K are kept in contact then heat will flow from ___

   1. B to A             2. B to B

   3. A to B             4. A to A

4. The amount of heat required to raise the temperature of unit mass of the substance by one unit is known as ___ of a substance.

   1.boiling point    2.specific heat

   3.melting point    4.evaporation

5. Freezing of water takes place at ___ atmospheric pressure and ___ ⁰C

   1. 0, 1                 2. 1, 0

   3. 100, 1             4. 1, 100

6. Water ___ on freezing.

   1.expands           2.contracts

   3.no change        4.Cannot say

7. Which of the following takes place at a constant temperature?

   1.evaporation      2.boiling

   3.both                 4.cannot say

8. Melting is a process in which solid phase changes to

   1.liquid phase

   2.liquid phase at constant temperature

   3.gaseous phase  4.any phase

9. Ice melts at ___ K

   1.173                  2. 273

   3. 373                 4. 473

10. Heat energy required to convert solid into liquid is called ___

   1.latent heat of vapourisation

   2.latent heat of condensation

   3.latent heat of sublimation

   4.latent heat of fusion