What is the effect on boiling point of water when impurity is add… - Vidyadip

Question

What is the effect on boiling point of water when impurity is added.

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Answer

Any impurity present in water lowers its freezing point and raises its boiling point.
For example, salt is added to ice to lower its melting point. Such a mixture is called a freezing-mixture. The melting is called a freezing mixture is about $-15^\circ C.$

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