what is meant by chemical decomposition reaction? give any four examples.
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Some common examples of decomposition reactions are provided below. The decomposition of carbonic acid in soft drinks, which can be represented by the chemical equation H2CO3 → H2O + CO2. The electrolysis of water to yield hydrogen and oxygen.
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These are the reactions in which a single substance breaks down into two or more substances
example:2FeSO4---->Fe2O3 +SO2 +SO3
CaCO3-------> CaO +CO2
2Pb(NO3)2----->2PbO+4NO2+O2
2AgCl------>2Ag +Cl2
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