Question

Decomposition reaction and Double decomposition reaction​

Answer 1

Explanation:

A double decomposition reaction is a reaction in which the positive ions and negative ions in two compounds switch partners to form two new compounds. The older term double decomposition has been largely replaced by the terms double displacement, double replacement, and metathesis.

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Answer 2

1. Decomposition reaction.

• The chemical reaction in which two or more products are formed from a single reactant is called Decomposition reaction. e.g. When Calcium carbonate is strongly heated it decomposes to form Calcium oxide and Carbon dioxide gas.

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2. Double Decomposition Reaction.

• The reaction in which the ions in the reactants are exchanged to form a precipitate are called double displacement reaction.