Question

water can be decomposed by electrolysis into H2 O2 true or false​

Answer 1

Answer:

true

Explanation:

Cell reactions during electrolysis of water are: 

Anode: 2H2O→O2+4H++4e−

Cathode: 2H2O+2e−→H2+2OH−

Reaction products are thus hydrogen and oxygen gas.