Chemistry, asked by anujpratap3245, 11 months ago

Why are decomposition reaction called the opposite of combination reaction?

Answers

Answered by RIya26283
1

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

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Answered by swapnaritam
0
In decomposition reactions, a substance breaks up into its constituent elements or compounds but in combination reaction, two or more substance react to form a single substance. Hence decomposition reactions are opposite of combination reaction.
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