Question

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

Answer 1

Answer:

By finding the boiling point of water. if it boils at 100 degree Celsius in atmospheric pressure then it is pure water.

Explanation:

Because pure substances have fixed melting and boiling point

Answer 2

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We can confirm if a colourless liquid is purr water by setting it to boil.If it boils at 100° C it is said to be pure.But is there is a decrease or increase in the boiling point, we infer that water has added impurities hence not pure