Question

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

	Column I		Column II
(A)	Clark's method	(i)	$N{a}_6{P}_6{O}_{18}$
(B)	Calgon’s method	(ii)	$NaAlSi{O}_4$
(C)	Ion- exchange method	(iii)	$RS{O}_{3}H$
(D)	Synthetic resins method	(iv)	$Ca(OH{)}_2$

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

Answer 1

Answer: (D)

Correct answer is (d) $(A)\to (iv)$, $(B)\to (i)$, $(C)\to (ii)$, $(D)\to (iii)$