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Match List-I and List-II

S.No. List-I S.No. List-II
(A) Clark’s method (I) Zeolite
(B) Permutit (II) Sodium hexa metaphosphate
(C) Calgon (III) $Ca {(OH)}_{2}$
(D) Cation exchange resin (IV) $R ({NH}_{3}) OH$
(V) $RCOOH$
A B C D
1) III I II IV
2) III I II V
3) II I III V
4) IV I II V

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answer is B.

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Detailed Solution

A) Clark’s method- Ca(OH)₂
(B) Permutit - Zeolite
(C) Calgon-Sodium hexameta phosphate
(D) Cation exchange resin- RCOOH

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