Question

you are given a sample of water how will you find out whether it is pure or not ​

Answer 1

Answer:

You can simply boil the water to find out whether the water given is pure or impure. If nothing is left behind in the vessel after all the water has been evaporated, then the water is pure and if something has left behind in the vessel after complete evaporation, then the water is impure

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Answer 2

We can conduct a pH test to see whether the water I pure or not.

If the color is very bluish, it means that water is most likely to be alkaline, if more yellowish then acidic in nature.

If less bluish, and reads '7' in pH scale, it is pure.