Q.7. (i) What happens chemically when quick in
added to water?
(ii) Balance the following chemical equation
Mno, + HCI MnCl + C1, + H2O
(iii) What is decomposition reaction ? Explain it with
suitable example [Board Term-i Set (C1), 2010
INCERT 2017) answer on 5 marks
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Answer:
A 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.
Examples of decomposition reactions include the breakdown of hydrogen peroxide to water and oxygen, and the breakdown of water to hydrogen and oxygen.
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