Question

What is the difference between a combination and a decomposition reaction? Illustrate with suitable examples.

Answer 1

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▫▪◽◾◻◼ Answer ◼◻◾◽▪▫

✒In combination reaction the reactants are combined together and form a new substance or product.

✒In decomposition reaction the reactant get decomposed in two or more product.

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Answer 2

In combination reaction two new elements or compounds combine to form new compound. example: 2Mg+ O2 - 2MgO

In decomposition reaction one compound break into two elements or compounds. example: calcium carbonate -calcium oxide plus carbondioxide