Question

please dont give irrevlent answers please​

Answer 1

Answer:

a)Heat

Explanation:

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Answer 2

Answer:

Here is the answer =>

Explanation:

CuCO3—CuO+CO2

☆As we know that it is a decomposition reaction(thermal decomposition),hence it is an endothermic reaction in which heat is required.

So the presence of heat is necessary.

☞Hence option a) heat is the correct answer.

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