Assertion (A) : Permanent hardness of water is removed by treatment with washing soda…
Chemistry · JEE Advanced · NTA Exams — Hydrogen
Assertion (A) : Permanent hardness of water is removed by treatment with washing soda.
Reason (R) : Washing soda reacts with soluble magnesium and calcium sulphate to form insoluble carbonate.
Reason (R) : Washing soda reacts with soluble magnesium and calcium sulphate to form insoluble carbonate.
- If both Assertion and Reason are correct and Reason is the correct explanation of Assertion.
- If both Assertion and Reason are true but Reason is not the correct explanation of Assertion.
- If Assertion is true but Reason is false.
- If Assertion is false but Reason is true.
Answer
(A) If both Assertion and Reason are correct and Reason is the correct explanation of Assertion.
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