Question

What is chemical change​

Answer 1

Chemical changes occur when a substance combines with another to form a new substance, called chemical synthesis or, alternatively, chemical decomposition into two or more different substances. These processes are called chemical reactions and, in general, are not reversible except by further chemical reactions.

Answer 2

Hey mate your answer

When two or more substances combine together to form one or more substances a chemical change occurs...

How to identify it :

Change in colour

Evolution of gas

Change in temperature

E.T.C

Hope it helped you please mark me as brainliest please