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Three drops of a 1 0 mol dm-3 solution of NaOH ... - JAMB Chemistry 2002 Question

Three drops of a 1.0 mol dm-3 solution of NaOH are added to 20 cm3 of a solution of pH 8.4. The pH of the resulting solution will be
A
Close to that of pure water
B
Unaltered
C
Greater than 8.4
D
Less than 8.4
correct option: a
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