How many types of decomposition reaction are there?

1.	How many types of decomposition reaction are there?
Answer» There are three types of decomposition reaction they are:1) Thermal decomposition : When a decomposition reaction is carried out by heating, it is called thermal decomposition reaction.Example : CaCO3 → CaO + CO22) Photochemical decomposition : If the energy of sunlight is used to carry out the decomposition reaction, it is called photochemical decomposition.Example: 2H2O2 → 2H2O + O23) Electrolytic decomposition : If the electric current is used to carry out decomposition reaction. It is called electrolytic decomposition.Example : 2H2O → 2H2 + O2\xa0

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