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Q.

State true or false:

Putting salt in curry before pouring water, this simple process in vegetable preparation is an application of elevation in boiling point. 

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a

True

b

False

answer is A.

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Detailed Solution

Any non-volatile solute can be added to a solvent, but it will be difficult to mix because the solute's molecules form a layer on top of the solution. As a result, some changes will take place.

The vapour pressure of the solution is lower than the vapour pressure of the pure solvent because the less liquid form is converted into vapours since the upper layer of the solution is composed of non-volatile solute particles. Every other processes rely on it and use all reasonable effort to raise the solution's vapour pressure. 

Therefore, a rise in boiling point is observed in a similar way to a decline in freezing point. Now, a very elementary and significant example of raising the boiling point is when your mother adds salt to curries before adding water. This straightforward method of preparing vegetables is an example of how the boiling point can be raised. 

When we add salt before the water, in this case, we are inadvertently increasing the time it takes for the water to boil, extending the amount of time our curry has to cook.

Hence, the given statement is true.

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