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Blue litmus turns red in the presence of an acid. The opposite is correct in case of a base ie in presence of a base, red litmus turns blue in colour.

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What is the color of blue litmus paper in the presence of an acid?

A Blue litmus paper turns red in acid and stays blue in alkalin A red litmus paper turns blue in alkaline and stays red in acid


What color will an acid turn blue litmus paper?

Acid: Red litmus


What does an acid do to blue litmus?

If a substance changes the color of a blue litmus paper to red, it is acidic blue to red


How does an acid affect blue litmus paper?

An acid turns blue litmus paper red. This is because the acid donates a proton (H+) to the water in the litmus paper, changing the pH and causing the litmus paper to change color.


What happens when a BLUE litmus paper is dipped in an acid?

Blue litmus paper turns RED in an acid. Red litmus paper turns BLUE in a base.


What color does red litmus paper turn into from a acid?

Red litmus paper remains red when dipped into an acid. Blue litmus paper will turn red in an acid. Similarly, Blue litmus remains blue in a base. Red litmus turns blue in a base.


Is acid red or blue litmus?

Acid turns blue litmus red and maintains red litmus at the same color.


What color does red litmus paper turn in Nitric Acid?

Nothing, red litmus paper changes in the presence of an acid not a base, blue litmus paper turns red with nitric acid


What color would the litmus paper turn if it was blue?

Blue litmus paper turns red in acid red litmus paper turns blue in alkali.


Which litmus paper turns blue in acid solution?

Litmus paper is basically used to test nature of solution i.e acid or alkaline. For acid blue litmus turns to red. But for alkaline red litmus turns to blue color.


Does acid turn litmus paper blue?

No an acid will only change the litmus paper red regardless of of the substance color.


What color does acid make litmus paper turn?

I believe, that acid makes blue litmus paper turn red.