What type of reactions are represented by the following equations?
(i) CaCO3 → CaO + CO2
(ii) CaO + H2O → Ca(OH)2
(iii) 2FeSO4 → Fe2O3 + SO2 + SO3
(iv) NH4Cl → NH3 + HCl
(v) 2Ca + O2 → 2CaO
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Explanation:
1,decomposition reaction
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