Thursday, 14 March 2013

Why are decomposition reactions called the opposite of combination reactions?


Question 11. Why are decomposition reactions called the opposite of combination reactions?
Write equations for these reactions.
Answer:
In Decomposition reaction a single substance decomposes to form two or more substances which is exact opposite of Combination reaction in which two or more reactants combine to form a single product that is why decomposition reactions called the opposite of combination reactions. For examples
Decomposition reaction:

Combination Reaction: 

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