Question

when hydrogen reacts with oxygen water is formed and it is a chemical change

but we can do electrolytic decomposition of water and can reform hydrogen and oxygen

so how is it a chemical change ? explain . ​

Answer 1

Explanation:

Hydrogen reacts with oxygen water is formed and but it is not a chemical change ,it is a chemical reaction.There is a difference in a chemical reaction and a chemical change.

Therefore it is a chemical reaction and

a physical change.