Assertion : The melting point of ice decreases with increase of pressure. Reason : Ice contracts on melting.

• A

  If both assertion and reason are true and reason is the correct explanation of assertion
• Correct answer
  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.

Solution

It can be easily seen from the graph that as pressure increases the melting point of ice decreases.

Hence, the correct answer is option: 'B'.