Question

Give two examples of the substance which expand on heating

Answer 1

Any metal, water. oil, any gas(hydrogen, air, CO2) are examples of substances expand on heating. Many substances expand on heating, Air & water for example since their density decreases and volume increases, hence the expansion. They start to move more slowly and get closer together so the substance contracts. All states of matter expand when heated and contract when cooled. Gases expand most when heated and solids the least because gas particles are already far apart and are much freer to move.

Answer 2

Answer:

Explanation:

Almost everything in the world expands on heating