question_answer

Match the List I with List II and select the correct answer using the code given below the lists :

List I		List II
P.	Clarks method	1.	\[N{{a}_{6}}{{P}_{6}}{{O}_{18}}\]
Q.	Calgons method	2.	\[NaAlSi{{O}_{4}}\]
R.	Ion-exchange method	3.	\[RS{{O}_{3}}H\]
S.	Synthetic resins method	4.	\[Ca{{(OH)}_{2}}\]

A) \[P-3,Q-4,R-1,S-2\]

B) \[P-2,Q-1,R-4,S-3\]

C) \[P-4,Q-1,R-2,S-3\]

D) \[P-4,Q-3,R-2,S-1\]