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Given colourless liquid will be determin...

Given colourless liquid will be determined whether it is water or not?

A

by smelling

B

by tasting

C

by phenolphthalein

D

by adding a pinch of anhydrous `CuSO_(4)`

Text Solution

Verified by Experts

The correct Answer is:
C
Water is odourless, tasteless and neutral and hence cannot be detected by smelling, testing or adding phenolphthalein. On adding a pinch of anhydrous `CuSO_(4)`(white) to water, hydrated copper sulphate is formed which is blue in colour.
`underset(("White"))underset("Anhydrous")(CuSO_(4))+5H_(2)Otounderset("Blue")(CuSO_(4).5H_(2)O)`
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