Question

what is combination reaction?

copied answer mat dena​

Answer 1

A combination reaction is a reaction where two or more elements or compounds combine to form a single compound. Such reactions are represented by equations of the following form: X + Y → XY.The combination of two or more elements to form one compound is called a combination reaction.

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Answer 2

Answer:

when 2 or more reactant combine together to form a single compound,then this reaction is said to be combination reaction.In this reaction reactants combine so,they need energy so that's why this is alway endothermic reaction.

eg: 2H2 + O2 → 2H2O