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 of 30

Marks: +1, -0

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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