Match the items in Column I with the relevant item in Column II.
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PREVIOUSMatch the terms in Column I with the relevant item in Column II.NEXTIn 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.
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