Give five example of decomposition reaction

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Give five example of decomposition reaction

Posted by K S Jnanesh 5 years, 2 months ago

CBSE > Class 10 > Science

1 answers

Yogita Ingle 5 years, 2 months ago

Thermal decomposition reaction (Thermolysis)

Decomposition of calcium carbonate:Calcium carbonate (lime stone) decomposes into calcium oxide (quick lime) and carbon dioxide when heated. Quick lime is the major constituent of cement.

Electrolytic decomposition reaction (Electrolysis)

Electrolytic decomposition may result when electric current is passed through an aqueous solution of a compound. A good example is the electrolysis of water.

Photo decomposition reaction (Photolysis)

Decomposition of silver chloride:Place a small quantity of silver chloride (AgCl) taken in a watch glass under sunlight for some time. The crystals slowly acquire a grey colour. On analysis, it is found that the sunlight has caused decomposition of silver chloride into silver and chlorine.

Decomposition of hydrogen peroxide: In the presence of light, hydrogen peroxide decomposes into water and oxygen

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CBSE > Class 10 > Science