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The color become blue.

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Q: What color changes occur when one drop of base is put on red litmus paper?
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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 color does litmus paper change when added to HCL and methyl benzene?

There is no change, blue litmus stays blue and red litmus stays red.


What is the effect of dry red litmus paper on household ammonia?

litmus color changes into blue.


What effect does an acid have on red litmus paper?

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.


Why doesn't water have any effect on litmus paper?

Some substances do not change the color of litmus paper because they are neither acid or nor base. They are called neutral substances.


When strips of blue and pink litmus paper are put in water the paper changes?

The litmus paper changes to green because water has a neutral pH (7) andgreen is the neutral color.


What is the defintion for litmus?

This paper changes its color depending the pH of the solution.


What color is litmus paper when dipped into an alkaline solution?

blue litmus remains blue while red litmus changes to blue


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 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


Why no change in red litmus when placed in hydrochloric acid?

It is because the red litmus paper only changes its color (from red to blue) when exposed to any basic substance. Hydrochloric acid is acidic, thus there is no change in the color of the red litmus paper, although the acid would change the color of the blue litmus paper (pH paper that tests for acidity; changes from blue to red in the presence of acid)


What do you use litmus paper for?

to tell if a solution is acidic or basic (paper changes color when exposed to solutions)