Question

Assertion (A) Soft water is free from the soluble salts of calcium and magnesium.
Reason (R) It does not lather with soap easily.

• A. Both $A$ and $R$ are correct; $R$ is the correct explanation of $A$.
• B. Both $A$ and $R$ are correct; $R$ is not the correct explanation of $A$.
• C. $A$ is correct; $R$ is incorrect.
• D. $A$ is incorrect; $R$ is correct.

Answer 1

Answer: (C)

Soft water gives lather with soap easily as it is free from soluble salts of calcium and magnesium.
Thus, $A$ is correct but $R$ is incorrect.