Q100
Assertion (A) Synthetic detergents can lather well in hard water. Reason (R) Synthetic detergents form soluble calcium and magnesium salts with hard water.
A.
Both A and R are true and R is the correct explanation of A
AnswerB.
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
Answer: Option A
Solution
Answer: Option A
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