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AIIMS 2012
Exam
AIIMS
Year
2012
Subject
Chemistry
Chapter
States of Matter

AIIMS 2012 · Chemistry · States of Matter

Assertion : In a pressure cooker, the water is brought to boil. The...

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.

Options

  1. AIf both assertion and reason are true and reason is the correct explanation of assertion
  2. BIf both assertion and reason are true but reason is not the correct explanation of assertion
  3. CIf assertion is true but reason is false
  4. DIf both assertion and reason are false.

Correct answer

C. If assertion is true but reason is false

Step-by-step solution

In pressure cooker, water boils above 100∘C100^{\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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