Question

Take a test tube and fill more than half of it with water. Now take an ice cube and wrap it with a wire gauze and
put it at the bottom of the test tube. Boil the water from above. It will be observed that the water at the top of
the test tube starts boiling but the ice does not melt. Why ?

Answer 1

Answer:

AHeat gain causes matter to expand.

BHeat loss causes matter to contract.

CIce cubes melt at 0°C.

DWater is a poor conductor of heat.