Chapter 2: Is Matter around us Pure?

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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 100โฐC or 373K. If the liquid boils at 373K, it is pure water. Similarly, if the liquid freezes at 0โฐC, it is pure water.

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