Give a test to detect the presence of water.

1.	Give a test to detect the presence of water.
Answer» Solution :When water or moisture comes in contact with anhydrous COPPER sulphate (white), the latter IMMEDIATELY BECOMES blue. `underset("White")(CuSO_(4))+5H_(2)O to underset("Blue")(CuSO_(4).5H_(2)O)`

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