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When blue litmus paper touches an acid it becomes red. This is the type of litmus paper that detects acids.

When red litmus paper touches an acid, it will remain red. This is used to test a base.

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13y ago

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What color does Litmus Paper turn when it touches an acid?

When an acid touches Litmus paper it turns red (pink).


What color does litmus paper change if base or paper?

When litmus paper touches an acid, the paper changes to red. When it touches a base, the paper changes to blue. By comparing the color the litmus paper changed to by a chart, you could determine how strong or weak that acid or base is.


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 happens if hydrochloric acid is experimented on red litmus paper?

Red litmus paper is used for alkaline solutions.


What happens to red litmus paper when it is placed in an acid?

Nothing - red litmus paper indicates the presence of bases.


Which litmus paper do you use to identify an acid and how does it react?

Online science class does not mean you can just google for answers. Read your textbook!


What happens when blue litmus paper is dipped in dilute nitric acid?

Blue litmus paper will turn red when dipped in dilute nitric acid. This color change indicates that the solution is acidic. Nitric acid is a strong acid and will donate protons to the litmus paper, causing the color change.


What happens to red litmus paper when it touches vinegar?

If you add red litmus paper and it remains red, then you add blue litmus paper and it remains blue, then the the solution is neutral. Kamal


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 you put red litmus paper in a basic acid?

turns acidic


What color does acid litmus paper?

Acid turns litmus paper red.


Will an acid turn litmus paper green?

Acid will turn litmus paper red.