The following two questions consist of two statements – Assertion (A) and Reason (R). Answer these questions by selecting the appropriate option given below:
A. Both Assertion (A) and Reason (R) are true, and Reason (R) is the correct explanation of Assertion (A).
B. Both Assertion (A) and Reason (R) are true, and Reason (R) is not the correct explanation of Assertion (A).
C. Assertion (A) is true but Reason (R) is false.
D. Assertion (A) is false but Reason (R) is true.
Assertion (A): Soaps are ineffective when cleaning clothes in hard water. (1)
Reason (R): Soaps react with calcium and magnesium ions present in hard water to form an insoluble precipitate called scum.