Question

are decomposition and combination reaction redox reaction?

Answer 1

. Combination reaction..... A type of reaction which two or more reactants combine with each other to forma product is called combination reaction.....
Example..... C+O2---->CO2

Decomposition reaction...
. Decomposition reaction is a type of that reaction in which a reactant is decomposed into two or more products... Is called Decomposition reaction...
Example...CaCO3 heated.. -----> CaO +CO2.

Redox reactions.... Redox reaction is a type of that reaction in which reduction and oxidation reactions take place simultaneously at same time.... Is called redox reaction....

Example.. C+O2------> CO2....

It is mandatory that both reduction and oxidation reaction take place at same time......

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Answer 2

Answer:

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 combination reaction.