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Why any substance change its colour after reaction |
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Answer» Because when a substance reacts with other a new substance forms with new physical and chemical properties different from the reactants. Hence it results in change of colour. Change in Substance\'s colour during a chemical reaction :2FeSO4(s) + heat\xa0→ Fe2O3(s) + SO2(g) + SO3(g)Ferrous Sulphate(Green colour) Ferric Oxide(Red-brown colour) |
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