CBSE Class 10 Science 2020 Outside Delhi Set 1 | Question 11

CBSE Class 10 Science 2020 Outside Delhi Set 1

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Question : 11

Total: 30

An aqueous solution ' A ' turns phenolphthalein solution pink. On addition of an aqueous solution ' B ' to ' A ' and ' B '.

A is strongly basic and B is a weak base.
A is strongly acidic and B is a weak acid.
A has pH greater than 7 and B has pH less than 7.
A has pH less than 7 and B has pH greater than 7 .

Solution:

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