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Assertion : In a pressure cooker, the water is brought to boil. The cooker is then removed from the stove. Now on removing the lid of pressure cooker, the water starts boiling again.Reason : The impurities in water bring down its boiling point.
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If assertion is true but reason is false
In pressure cooker, water boils above $100^{\circ} \mathrm{C}$. When the lid of cooker is opened, pressure is lowered so that boiling point decreases and water boils again.
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