UPSC CSE Prelims 2003 Q22 — Science & Technology PYQ with Answer

Consider the following statements:

1. Steam at 100 °C and boiling water at 100 °C contain the same amount of heat.

2. Latent heat of fusion of ice is equal to the latent heat of vaporization of water.

3. In an air-conditioner, heat is extracted from the room air at the evaporator coils and is rejected out at the condenser coils.

Which of these statements is/are correct?