Question

Write an equation for decomposition reaction where energy is supplied in the form of Heat / light / electricity.

Answer 1

H2O -->when passed electricity --> H2 +O

Answer 2

Here is the answer for your question!!!

1. CaCo3 (s) -----> Cao (s) + Co2 (g) {heat energy}

2. 2AgCl (s) -----> 2Ag (s) + Cl2 (g) {Light energy}

3. 2H2 (l) ------> 2H2 (g) + O2 (g) {Electricity}