Answers

2016-02-07T18:01:01+05:30
Synthesis(combination) is basically opposite of decomposition.synthesis is combining two elements to form one compound
synthesis:A+B=ABD

 decomposition breaks down one compound to form two elements.
synthesis:AB=A+B

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2016-02-09T00:01:06+05:30
In a chemical reaction. Combination means the reactant molecules get attached. But in decomposition they get seperated.
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