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Question

Himanshu has two substances A and B. The extract of red cabbage turns green when mixed with A and turns pink when mixed with B. When a solution of A and B is taken it turns red litmus to blue. Which of the following statement(s) is/are correct?


A

The solution is neutral

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B

A has to be added to make the solution neutral

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C

B has to be added to make the solution neutral

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D

Insufficient information

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Solution

The correct option is C

B has to be added to make the solution neutral


The extract of red cabbage turns green when mixed with A, indicates that A is Basic and when mixed with B, turns pink, indicates that B is Acidic.
But, when a solution of A and B is taken it turns red litmus to blue, this means that the solution is basic in nature. To turn this solution neutral, more acid is required. So more B should be added to make it neutral.

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