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State one relevant reason for Hydrate...

State one relevant reason for
Hydrated copper sulphate crystal turn white on heating

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Hydrated copper sulphate crystal turn white on heating due to the loss of water molecules upon heating .
`CuSO_(4).5H_(2)O underset("add"H_(2)O)overset(Delta) hArr CuSO_(4)+5H_(2)O`
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