In the following questions, a statement of Assertion (A) followed by a statement of Reason (R) is given. Choose the correct option out of the options given below each question.

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 carbonates.
 

(i) Statements A and R both are correct, and R is the correct explanation of A.
(ii) A is correct, but R is not correct.
(iii) A and R both are correct, but R is not the correct explanation of A.
(iv) A and R both are false.

 

Answers (1)

The answer is the option (i) Statements A and R both are correct, and R is the correct explanation of A.

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