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An aqueous solution ‘A’ turns phenolphthalein solution pink. On addition of an aqueous solution ‘B’ to ‘A’, the pink colour disappears. The following statement is true for solution ‘A’ and ‘B’.
Option: 1 A is strongly basic and B is a weak base.
Option: 2 A is strongly acidic and B is a weak acid.
Option: 3 A has pH greater than 7 and B has pH less than 7.
Option: 4 A has pH less than 7 and B has pH greater than 7.
Answers (1)
An aqueous solution ‘A’ turns phenolphthalein solution pink. On the addition of an aqueous solution ‘B’ to ‘A’, the pink color disappears. According to the statement,
A has pH greater than 7 and B has pH less than 7.
Hence option C is correct
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