Question

How would you confirm that a colourless liquid given to you is
pure water?​

Answer 1

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Evaporate the colourless liquid on a low flame. If no residue is left, then it is pure water otherwise not.

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Hope this helped u ✌️✌️

Answer 2

$\huge\tt\underline\blue{✒ANSWER :-}$

✒✒ Evaporate the colourless liquid on a low flame. If no residue is left, then it is pure water otherwise not.

Hope it helps you✨.

Thanks☸☸.