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?

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A. Close to that of pure water
B. Unaltered
C. Greater than 8.4
D. Less than 8.4

Correct Answer:

Option A – Close to that of pure water

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