Question

What is decomposition? How many types of decomposition reaction are there? write an equation to each

Answer 1

decomposition means to break down.
there are three kind of decomposition reactions
1. thermal decomposition
Ca(OH)----> CaO +H2O
2. electrolysis
H2O----> H2+O2
3. photochemical decomposition.
AgCl----> Ag+Cl2