Question

Match the column I with column II and mark the appropriate choice.

Column I	Column II
(A) Clark’s method	(i) $Na_{6}P_{6}O_{18}$
(B) Calgon’s method	(ii) $NaAlSiO_{4}$
(C) Ion-exchange method	(iii) $RSO_{3}H$
(D) Synthetic	(iv) $Ca(OH)_{2}$

• A. (A)$\rightarrow$ (i), (B) $\rightarrow$ (iii), (C) $\rightarrow$ (iv), (D)$\rightarrow$ (ii)
• B. (A)$\rightarrow$ (ii), (B) $\rightarrow$ (iii), (C) $\rightarrow$ (iv), (D)$\rightarrow$ (i)
• C. (A)$\rightarrow$ (iii), (B) $\rightarrow$ (iii), (C) $\rightarrow$ (i), (D)$\rightarrow$ (iv)
• D. (A)$\rightarrow$ (iv), (B) $\rightarrow$ (i), (C) $\rightarrow$ (ii), (D)$\rightarrow$ (iii)

Answer 1

Answer: (D)

(A)$\rightarrow$ (iv), (B) $\rightarrow$ (i), (C) $\rightarrow$ (ii), (D)$\rightarrow$ (iii)

Answer 2

:(1)$\rightarrow$ (iv),(2) $\rightarrow$ (i), (3) $\rightarrow$ (ii), (4) $\rightarrow$ (iii)