Given colourless liquid will be determined whether it is water or not? (A) By smelling (B) By ta...

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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 \( \mathrm{CuSO}_{4} \)
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