Question : Vegetables are cooked in less time by adding a pinch of salt while cooking because:
Option 1: boiling point of water increases
Option 2: latent heat of vaporisation of water decreases
Option 3: latent heat of vaporisation of water increases
Option 4: boiling point of water decreases
Correct Answer: boiling point of water increases
Solution : The correct option is the boiling point of water increases .
The boiling point of water rises when a pinch of salt is added to it. This phenomenon is caused by a mechanism known as boiling point elevation or the boiling point elevation effect. The boiling point of a solvent, like water, rises when a non-volatile solute, like salt, is dissolved in it.
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