Impurities change the melting and boiling points of substances.
Sodium chloride is added to a sample of pure water.
How does the addition of sodium chloride affect the melting point and the boiling point of the water?
1 )
melting point: increases / boiling point: increases
2 )
melting point: decreases / boiling point: decreases
3 )
melting point: increases / boiling point: decreases
melting point: decreases / boiling point: increases
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