Acid turns it red and base turns it blue
Litmus paper turns blue in a base. Litmus is a pH indicator that changes color depending on the acidity or alkalinity of a solution.
An indicator is a substance that changes color when exposed to an acid or base.
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.
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.
Nothing, red litmus paper changes in the presence of an acid not a base, blue litmus paper turns red with nitric acid
In Acid the red litmus stays red but in a base the litmus changes to blu
Litmus paper turns blue in a base. Litmus is a pH indicator that changes color depending on the acidity or alkalinity of a solution.
blue
An indicator is a substance that changes color when exposed to an acid or base.
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.
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.
HCl (hydrochloric acid) is an acid so it will turn litmus paper red. and alkali will go from red litmus to blue.
Litmus paper: red color in acidic solutions and blue color in basic solutions.Phenolphthalein: no color in acidic solutions.
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.
Way back when I was in high school (3000 BC) acid turned litmus paper pink and a base turned it blue.
The color is purple in a neutral solution.
Nothing, red litmus paper changes in the presence of an acid not a base, blue litmus paper turns red with nitric acid