Assertion (A): When glucose is added to water, an elevation in boiling point is observed.
Reason (R): The lowering of vapour pressure causes elevation in the boiling point.

Options

A. Both Assertion (A) and Reason (R) are true and Reason (R) is the correct explanation of the Assertion (A).
B. Both Assertion (A) and Reason (R) are true , but Reason (R) is not the correct explanation of the Assertion (A).
C. Assertion (A) is true, but Reason (R) is false.
D. Assertion (A) is false, but Reason (R) is true.