Question

1. The units of Heat are ___________ and ____________. Its S.I. Unit is _____________.
2. Which of these expands the most on heating – gold, water, mercury, air?
3. Why does doctor advise you to drink boiled water when you fall sick?

Answer 1

Answer:

When we heat water, it starts boiling, i.e., it starts expanding. With further heat, it produces steam, i.e., water changes from its liquid state to its gaseous state