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why copper sulphate crystals turns to a white amorphous powder on heating ?
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Explanation:
Blue vitriol (CuSO4.5H2O) is the blue substance you are talking about. The colour in the substance is given by this water of crystallisation only. So when we heat it, the water molecules escape into surroundings and a white coloured anhydrous copper sulphate is left behind.
CuSO4.5H2O(blue) + Heat ———CuSO4(white) + 5H2O
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Answer:
The copper sulphate crystals CuSO4. 5H2O contain 5 water molecules which are known as water of crystallization. When we heat the crystals, these water molecules are removed and the salt turns white.
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