Assertion : Surface tension of water is more than many other liquids. Reason : Water molecules have strong intermolecular $\mathrm{H}$-bonding as attractive force.

• Correct answer
  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.

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