Assertion (A): R – 22 is used as a refrigerant in all refrigerators
Reason (R): R – 22 is non – toxic and non – inflammable
(a) Both A and R are true and R is the correct explanation of A
(b) Both A and 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