Assertion :Cooking in a pressure cooker is faster. Reason: The water vapour formed increases the pressure inside the pressure cooker.

Both Assertion and Reason are correct and Reason is the correct explanation for Assertion

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Both Assertion and Reason are correct but Reason is not the correct explanation for Assertion

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Assertion is correct but Reason is incorrect

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Assertion is incorrect but Reason is correct

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Solution

The correct option is A Both Assertion and Reason are correct and Reason is the correct explanation for Assertion
The pressure cooker works on the principle that the boiling point of a liquid increases with increases of super incumbent pressure on it. Water along with food to be cooked are heated in a closed vessel, so the confined water vapour- raises the super incumbent pressure. As a result, water boils at a temperature higher than $100^{o} C$ and hence cooking becomes easier and faster.

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