On adding \( 20 \mathrm{~mL} \) of \( 0.1 \mathrm{~N} \mathrm{NaOH} \) solution to \( 10 \mathrm...
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0On adding \( 20 \mathrm{~mL} \) of \( 0.1 \mathrm{~N} \mathrm{NaOH} \) solution to \( 10 \mathrm{~mL} \) of \( 0.1 \mathrm{NHCl} \), the resulting solution will:
(A) turn blue litmus red
(B) turn phenolphthalein solution pink
(C) turn methyl orange red
(D) will have no effect on red or blue litmus paper
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