Question

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ANSWER THE QUESTION IN THE GIVEN ABOVE ATTACHMENT

IT'S JUST AN MCQ​

Answer 1

HEY MATE... THE CORRECT ANS WILL BE..

ANS. (2) LIME WATER

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Answer 2

Answer:

To reverse the color of the litmus from blue to red, we make the solution acidic by adding Vinegar which is an organic acid.

Explanation:

Step 1 : Understand the color changes of litmus paper.

Litmus paper in a basic solution turns blue whereas litmus paper in an acidic solution turns red.

Step 2 : Analyze the question.

When a red litmus is added to an aqueous solution the red litmus turns blue.

This indicates that the aqueous solution is basic.

Step 3 : Answer the question.

To reverse the color of the litmus to red then we must make the solution acidic.

We therefore need to add an acidic solution.

We should add the acidic solution in excess since neutralization occurs when acid reacts with a base.

From the choices given we should look for an acidic solution which is Vinegar.

Vinegar is an organic acid.

When we add vinegar in excess the color of the litmus is reversed to red.