Give reason decomposition reactions is called opposite of combination reactions
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Decomposition reactions is called opposite of Combination reactions.
Why ?
In a decomposition reaction, a compound breaks down to form two or more substances, these reactions require energy to take place. Whereas, in a combination reactions in which two or more substances combine to give a new substance with the release of energy. Hence they are opposite.
Example:-
NaCl ----> Na + Cl ( decomposition reaction )
Na + Cl ----> NaCl ( combination reaction )
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Answer:
In decomposition reaction a single reactant splits into two or more products and in combination reaction into two or more reactants combine to form a single product. Hence the reason.
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