SSC
CHEMISTRY
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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Which of the following is a decomposition reaction?
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2H2O
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2NO + O2
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2K + 2H2O
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CH4 + 2O2
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Explanation:
Detailed explanation-1: -Answer and Explanation: The chemical reaction 2H2+O2→2H2O 2 H 2 + O 2 → 2 H 2 O is classified as a synthesis reaction. Synthesis reactions occur when two or more reactants combine in order to form a singular product.
Detailed explanation-2: -It is a chemical decomposition reaction as the mercuric oxide is broken down into mercury and oxygen. Hence, the correct answer is option C.
Detailed explanation-3: -Water splitting into two constituent parts is an example of a typical decomposition reaction.
There is 1 question to complete.