Question

write the example of reaction where decomposition take place on heating light and electricity​

Answer 1

for heating :-

FeSO4 -------> Fe2O3 + SO2 + SO3

for light

AgBr ---------> Ag + Br

for electricity

NaCl ---------> Na + Cl2

Answer 2

2Pb(No3)2--------> 2Pbo+4No2+O2