Question

what is difference between decomposition reaction and combination reaction.
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Answer 1

Explanation:

Reactions in which many reactants combine to give one product are called combination reactions whereas, in decomposition one reactant breaks down in many products.

Answer 2

Decomposition reaction- it is a type of reaction where a compound breaks into two or more elements on heating, sunlight or through electricity.

Combination reaction- it is a type of reaction where two or more elements react to form a new compound