An acid turns the blue litmus paper red.
Litmus paper is used to determine if a chemical is acid or alkali. Litmus paper turns red in acidic solutions and blue in alkaline solutions.
The paper you are referring to is called litmus paper. Litmus paper is a type of pH indicator that changes color in acidic or alkaline solutions, helping to determine whether a substance is an acid or an alkali.
pH paper and litmus paper
by using an indicator like litmus 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.
The presence of acid can be detected by using an indicator such as litmus paper. Litmus paper turns blue litmus to red.
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.
Acid turns litmus paper red.
Acid will turn litmus paper red.
litmus paper.
Hydrochloric acid is a strong acid, so it will turn blue litmus paper red. Ethanoic acid is a weak acid, so it will not change blue 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.