MCQ
Assertion (A): Iron develops rust when comes into contact with moist air.
Reason (R): It reacts with air and water.
Reason (R): It reacts with air and water.
- ✓Both Assertion (A) and Reason (R) are true, and (R) is the correct explanation of (A).
- BBoth Assertion (A) and Reason (R) are true, but (R) is not the correct explanation of (A).
- C(A) is true, but (R) is false.
- D(A) is false, but (R) is true.