Assertion. Aspirin can cause ulcer in the stomach.
Reason. The ester group in aspirin gets hydrolysed to acid group in the stomach where the pH is 2.
A. If both assertion and reason are true, and reason is the true explanation of the assertion.
B. If both assertion and reason are true, but reason is not the true explanation of the assertion.
C. If assertion is true, but reason is false
D. If both assertion and reason are false.