Answers

2015-08-14T18:50:44+05:30
a reaction in which two compounds exchange ions, typically with precipitation of an insoluble product.
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2015-08-14T19:28:29+05:30
Double decomposition is a chemical reaction between two compounds in which parts of each are interchanged to form two new compounds (AB+CD=AD+CB).

Hope this helps:)
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