1.

Match the method of column I with chemical of column II. {:("Column I","Column II"),("(A) Clark.s method","(i) "NaAlSiO_(4)),("(B) Ion-exchange method","(ii) "RSO_(3)H),("(C) Synthetic resins method","(iii) "Ca(OH)_(2)):}

Answer»

(A) `to` (i), (B) `to` (III) and (C) `to` (II)
(A) `to` (ii), (B) `to` (iii) and (C) `to` (i)
(A) `to` (i), (B) `to` (ii) and (C) `to` (iii)
(A) `to` (iii), (B) `to` (ii) and (C) `to` (i)

ANSWER :D


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