Question

Give me answer of the question in this picture.

Answer 1

1) in pic

2). during the change of state, heat is absorbed but this heat gets used up in changing the states by overcoming the force of attraction between the particles does, there is no change in temperature also heat is being observed constantly.

3) by applying pressure and reducing temperature, the atmospheric gases can be liquefied.

4) if the temperature of a place increase than evaporation also increase.

5). for 250°c water is in gaseous state, i.e., steam at 250 degree steam at 250°c.

for 100°c water is in liquid state.

6) liquid to gas are called vaporization and gas to liquid called condensation.