Question

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Answer 1

Explanation:

decomposition reaction is a type of chemical reaction in which a single compound breaks down into two or more elements or new compounds. These reactions often involve an energy source such as heat, light, or electricity that breaks apart the bonds of compounds.Oct 7, 2015

Answer 2

Answer:

Decomposition reaction requiring heat is known as thermal decomposition ,

CaCO3--------->CaO + CO2.

Decomposition reaction requiring light is known as photo chemical decomposition reaction ,

2AgCl-------2Ag + Cl2.

Decomposition reaction which requires electricity is known as electro chemical decomposition reaction ,

NaCl-------> Na+ + Cl-.

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