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20 January, 12:20

During an experiment, an acid (vinegar) was added at the same rate to two different liquids. Liquid A was distilled water; Liquid B was distilled water with a crushed antacid tablet stirred in. Which liquid became acidic first, as indicated by a change of litmus paper from blue to red?

A.

Liquid A became acidic first.

B.

Liquid B became acidic first.

C.

They changed at the same rate.

D.

Neither of them ever became acidic.

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Answers (1)
  1. 20 January, 12:47
    0
    A. Liquid A became acidic first.

    Explanation:

    Here, we have 2 liquids, liquid A and liquid B.

    Liquid A is just distilled water.

    Liquid B is distilled water with crushed antacid tablet (base) added to it.

    If we add vinegar that is an acid to both the liquids.

    Liquid A becomes acidic since it has only distilled water.

    Liquid B becomes neutral as it has antacid tablets (base) dissolved in distilled water, and so acid reacts with base and gets neutralized.

    So A is the answer.
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