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A solution has pH value of 5. On adding 10 mL of NaCl to it, what will be the pH of the new solution?
(a) More than 5
(b) Less than 5
(c) Only seven
(d) No change in pH
Correct Answer: (d) No change in pH
Explanation: As NaCl is a neutral solution due to its complete ionization in H2O and has pH = 7. Thus, it will not affect the pH of the solution.
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