Question

write one equation each for decomposition reaction energy is supplied in the form of heat light or electricity

Answer 1

Hey dear !!

So here's your answer :-

Sone compounds decomposes when placed in sunlight.

For Example :-
Silver Chloride decomposes when exposed in sunlight.

Here's the equation of the above example
(sunlight)
2AgCl(s) ------> 2Ag(s) + Cl2(g).

Silver Chloride (white) ------> Silver(grey) + Chlorine.

Hope this helps you dear ✌

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}