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Column-I and Column-II contains four entries each. Entries of Column-I are to be matched with some entries of Column-II. One or more than one entries of Column-I may have the
\( \mathrm{P} \) matching with the same entries of Column-II.

W
Column-I Column-II
(A) \( \mathrm{pH} \) of \( 0.1 M \mathrm{MA}\left(\mathrm{p} K_{a}=5\right) \) and \( 0.01 M \mathrm{NaA} \)
(P) 4
(B) \( \mathrm{pH} \) of \( 0.1 \mathrm{MBOH}\left(\mathrm{p} K_{b}=6\right) \) and \( 0.1 \mathrm{MBCl} \)
(Q) 7
(C) \( \mathrm{pH} \) of \( 0.1 M \) salt of weak acid \( \left(\mathrm{p} K_{a}=5\right) \) and
(R) 6 weak base \( \left(\mathrm{p} K_{b}=7\right) \)
(D) \( \mathrm{pH} \) of 500 litre of \( 0.02 \mathrm{M} \mathrm{HNO}_{3} \) and 500
(S) 8 litre \( 0.01 M \mathrm{Sr}(\mathrm{OH})_{2} \)
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