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Litmus paper is an indicator that changes color when affected by the pH of certain chemicals. There are two colors to test the general pH of a solution.

Alkaline solutions (bases) turn red litmus paper blue.

Acidic solutions (acids) turn blue litmus paper red.

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14y ago

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Related Questions

What effect does lemon juice have on a red and blue litmus paper?

Lemon juice is an acid therefore, it turns blue litmus paper red and red litmus paper remains red


What color does acid litmus paper?

Acid turns litmus paper red.


When red litmus is added to acetic acid what will be the colour of litmus paper?

The red litmus paper will remain red in acetic acid. Acetic acid is a weak acid and does not change the color of red litmus paper.


What color will an acid change litmus paper?

An acid will change litmus paper to red.


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.


Will an acid turn litmus paper green?

Acid will turn litmus paper red.


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


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 colour would litmus turn in acids?

blue litmus paper turns to red when its in contact with acid


Acids causes litmus paper to turn into what color?

HCl (hydrochloric acid) is an acid so it will turn litmus paper red. and alkali will go from red litmus to blue.


What is the effect of lime water on litmus paper?

carbon dioxide turns wet blue litmus red because carbon dioxide dissolves in water to form weak dibasic acid called carbonic acid


Is acid red or blue litmus?

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