Question

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

Answer 1

Answer:

A very easy solution is to take a sample of colourless liquid and put on stove if it starts boiling exactly at 100 ºC then it is pure water. Any other colourless liquid such as vinegar always have different boiling point.

Answer 2

Explanation:

With the help of pH paper ,if it will remain unchanged that means it's water