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Two colors: red and blue.

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What changes red litmus blue?

Any acid will turn blue litmus paper red.


Which household substance will turn litmus paper red?

Any acid will turn litmus paper red, Household examples would be most juices, vinegar, and carbonated drinks.


What substances turn blue and litmus red?

Any substance that's pH value over 8.0 turns red litmus to blue.


What effects does calcium hydroxide has on red and blue litmus paper?

calcium hydroxide turn red litmus paper into blue because it is a base. it does not have any effect on blue litmus paper.


What color will calcium hydroxide turn red litmus paper?

As any hydroxide being a strong base, it turn litmus paper blueRememberBase is Blue andaciD is reD


What color does blue litmus paper turn in the presence of a base?

Blue litmus paper will remain blue in the presence of a base. There wouldn't be any change. Red litmus paper, though, will turn blue. Just remember than the result is red in acids, and blue in bases.


What color does litmus paper turn NH4Cl?

Ammonia turns red litmus paper blue, but does not have any effect on blue litmus parer, since it is a base.


What turns litmus red?

Acids turn litmus red. Litmus paper is a pH indicator that changes color in response to the acidity or alkalinity of a solution. In acidic conditions, litmus paper will turn red, while in alkaline conditions, it will turn blue.


What color does blue litmus paper turn when dipped in Diet Coke?

red


Which solution will change red litmus paper to blue?

An alkaline solution, such as sodium hydroxide (NaOH), will change red litmus paper to blue. Alkaline solutions have a pH above 7, causing the red litmus paper to turn blue due to the presence of hydroxide ions that react with the indicator dye.


What happens when potassium hydroxide reacts with litmus paper?

Potassium hydroxide is a strong base that will turn red litmus paper blue, indicating its basic nature. The hydroxide ions in potassium hydroxide react with the indicator dye in the litmus paper, causing a color change.


When does red litmus paper turn black?

Litmus paper indicates the pH of a solution. Red litmus paper will turn blue in the presence of bases (alkaline solutions). A black color indicates that a chemical reaction is taking place with the litmus dye or paper, and this does not provide any information on pH. The paper may also turn white in the presence of strong bleaching agents such as chlorine or peroxides.