Question

Why are decomposition reactions called the opposite of combination reactions?

Answer 1

HI DEAR..... HERE IS UR ANSWER..

In a combination reaction two or more substances are combined to form new substance while in the decomposition reaction one substance decomposes into two or more substances. Hence, the decomposition reactions are called opposite of combination reactions.

CaCO3 (s) ⇨ CaO (s) + CO2 (g) Decomposition reaction

H2 (g) + Cl2 ⇨ 2HCl (g) Combination reaction

HOPE THIS HELPS....

@harsha

Answer 2

Answer:

Here is ur answer

Explanation:

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