Question

Give 4 examples of substances which do not change their state on heating

Answer 1

Hey buddy ❤

Hope it helps ...

Gas/Vapours turn to liquid by contracting due to condensation, buton heating their physical state cannot reverse back into solid or liquid. Hence, a gas on heating will remain a gas itself as it expands. Furthermore, answer to your question is all gases like oxygen O2, carbon dioxide CO2, Hydrogen H2, etc.

Have a nice day

Answer 2

Answer:

carbon dioxide and hydrogen