-3- 6-90 71- pH of 1 N NaOH solution 25-C is -1- O -3- 13 -4- 14 -2- 1 ide

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(3) 6.90 71. pH of 1 N NaOH solution at 25°C is (1) O (3) 13 (4) 14 (2) 1 ide

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