Question

What are the decomposition reactions? write about its type with examples

Answer 1

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☜☆☞A decomposition reaction occurs when one reactant breaks down into two or more products.
▶This can be represented by the general equation: AB → A + B. 
▶Examples of decomposition reactions include the breakdown of hydrogen peroxide to water and oxygen, and the breakdown of water to hydrogen and oxygen.

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Answer 2

it's a kind of reaction in which a compound or substance split in to two or more components.
ex-
caco3- cao + co2