Question

Decomposition reaction requires energy in the form heat ,light ,electricity for breaking down the reactants.write one equation for each decomposition reaction where energy supplied in the form of heat ,light,and electricity?

Answer 1

So the example is given

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}