Hard water contains dissolved minerals such as calcium and magnesium salts - R is correct. These minerals react with soap to form insoluble scum, interfering with the cleaning action - so A is also correct, and R directly explains A.
CUET UG 2023 — General Test General Knowledge
Given below are two statements, one is labelled as Assertion (A) and the other is labelled as Reason (R).
Assertion (A): Clothes are not washed properly in hard water.
Reason (R): Hard water contains many minerals.
In the light of the above statements, choose the most appropriate answer from the options given below:
Held on 15 Jun 2023 · Verified 13 Jul 2026.
Both (A) and (R) are correct and (R) is the correct explanation of (A)
Both (A) and (R) are correct but (R) is not the correct explanation of (A)
(A) is correct but (R) is not correct
(A) is not correct but (R) is correct
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