Question

what is the effect of an acidic and a basic solution on a blue litmus paper?​

Answer 1

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→→Red litmus contains a weak diprotic acid.

→→When it is exposed to a basic compound, the hydrogen ions react with the added base.

→→The conjugate base, formed from the litmus acid, has a blue color, so the wet red litmus paper turns blue in alkaline solution.

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Answer 2

Answer:

acid solution turn blue litmus to red

base solution turn red litmus to blue