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How does the boiling point change …

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How does the boiling point change with the impurities in the liqiud ?

Posted by Harshit Harshit 4 years, 5 months ago

CBSE > Class 09 > Science

1 answers

Meghna Thapar 4 years, 3 months ago

When an impurity is added to substance, its Boiling point is elevated. Reason: The elevation[increase] in boiling point increases with the increases in concentration of the solute because on adding the solute, vapor pressure of solution becomes lower than pure solvent. Adding impurities to a solution, in most cases, increases the boiling point of the solution. This occurs because the presence of impurities decreases the number of water molecules available to become vaporized during boiling.

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