Question

give two examples of the substances that expand on heating​

Answer 1

Answer:

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.

Answer 2

Answer :

The one substance that expand on heating are:

1. Railway track expand on heating