Question

Assertion : Surface tension of all lubricating oils and paints is kept high.
Reason : Due to high value of surface tension the fluids don’t get damaged.

• A. If both Assertion and Reason are correct and the Reason is a correct explanation of the Assertion.
• B. If both Assertion and Reason are correct but Reason is not a correct explanation of the Assertion.
• C. If the Assertion is correct but Reason is incorrect.
• D. If the Assertion is incorrect and Reason is correct

Answer 1

Answer: (D)

Surface tension of oils and paints is kept low so that it can spread over larger area.