the blue colour of a crystal of a substance change on heating in a closed test tube but the colour was regain after sometime on cooling name the substance and write its chemical formula explain the phenomenon involved
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The blue colour of crystals of a substance changed on heating in a closed test tube but the colour was regained after sometime on cooling. ... The substance is hydrated copper sulphate (CuSO4 .
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The blue colour of crystals of a substance changed on heating in a closed test tube but the colour was regained after sometime on cooling. ... The substance is hydrated copper sulphate (CuSO4 .
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