In the question given below, there are two statements marked as Assertion (A) and Reason (R). Mark your answer as per the codes in options.
Assertion (A): Iron rusts when exposed to water.
Reason (R): Iron reacts with the oxygen molecules present in water.
1
A is true but R is false.
2
A is false but R is true.
3
Both A and R are true but R is not the correct explanation of A.
4
Both A and R are true and R is the correct explanation of A.