Question

1. Why are decomposition
reactions called the opposite
of combination reaction ?
Write equations for this
reactions.​

Answer 1

Answer:

Write equations for these reactions. 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.

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Explanation:

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Answer 2

Answer:

Bcoz in decomposition compounds are broken down while in combination, compounds are formed.

Explanation:

Decomposition :CO2 = C + O2

Combination : C + O2 = CO2