Chemistry, asked by jigyasasingh3861, 7 months ago

Write an example of decomposition reaction which take place in presence of heat , light or electricity

Answers

Answered by yash6722
1

Answer:

calcium carbonate when heated gives quicklime

(CaO)and carbon dioxide (CO2)

Explanation:

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Answered by DivineEyes
36

(1.) Decomposition on heating

Calcium carbonate when heated gives quicklime (CaO) and carbon dioxide

CaCO _{3 } →CaO + CO _{2}

(2.) Decomposition by light

Silver chloride decomposes to silver and chlorine in presence of sunlight

2AgCl→2Ag+Cl _{2}

(3). Decomposition by electricity

Water on electrolysis gives hydrogen and oxygen

2H_{2}</p><p>O→2H_{2} +O  _{2}

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