AIIMS2004Physics-Thermodynamics
AIIMS 2004 Physics Boiling Point Assertion Reason Question
Type: Assertion Reason-assertion-Medium-Class 11
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 the pressure cooker, the water starts boiling again.
Reason : The impurities in water bring down its boiling point.
A
If both assertion and reason are true and reason is the correct explanation of assertion
B
If both assertion and reason are true but reason is not the correct explanation of assertion
C
If assertion is true but reason is false
D
If both assertion and reason are false
Correct Answer
Option C
Detailed Explanation
Pressure cooker works on the principle that boiling point of a liquid increases with increase of vapour pressure above the liquid.
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