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Is Matter around us pure?
Q.6: How would, you confirm that a colourless liquid given to you is pure water?
The temperature at which the vapor pressure of the liquid becomes equal to the atmospheric pressure is called the boiling point. The boiling point of water is 100⁰C or 373K. If the liquid boils at 373K, it is pure water. Similarly, if the liquid freezes at 0⁰C, it is pure water.
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