\( \mathrm{pH} \) of \( \mathrm{K}_{2} \mathrm{~S} \) solution is:
(A) \( 7 \)
(B) \( 7 \)
(C) 7...
\( \mathrm{pH} \) of \( \mathrm{K}_{2} \mathrm{~S} \) solution is:
(A) \( 7 \)
(B) \( 7 \)
(C) 7
(D) zero
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