Question

Please send the answer fast after 2 days I have 10th board exams so please send answer of 8th question fast

Answer 1

Have a look at the picture below:

Answer 2

Thermal decomposition reaction

2 FeSO4 ······>Fe2O3+SO2+SO3

This happens on heating

Electrolysis

2 H2O ·········> 2 H2 +O2

This is by passing electricity

Photo Chemical decomposition reaction

2 AgCl ·······> 2Ag + Cl2

this happens in presence of sunlight