In the following questions, two statements are given; one in assertion (A) column while the other in reason (R ) column. Examine the statements carefully and mark the correct answer according to the instructions given below:
If both (A) and (R) are correct and (R) is the correct explanation of (A)
If both (A) and (R) are correct but (R) is not the correct explanation of (A)
If (A) is correct but (R) is wrong
If (A) is wrong but (R) is correct
(A) PH of a neutral solution is always 7
(R) The PH of a solution depends upon temperature