Two chemical reactions are shown:

C + O2 → CO2

CO2 + H2O → H2CO3

Which statement is true? (5 points)

Both are synthesis reactions.

Both are decomposition reactions.

A is a synthesis reaction, and B is a decomposition reaction.

A is a decomposition reaction, and B is a synthesis reaction.

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The correct answer is : Both are synthesis reactions.

Explanation:

In both cases, two compounds interact with each other to form a new one (in the first case carbon dioxide C02, and in the second, carbonic acid H2C03). They consist of reactions where heat is released (exothermic).

I think the answer would be A)? "Both are synthesis reactions."