It turns red, alkali will turn it blue.
A better alternative would be the univerasal indicator which also shows how strong/weak the acid/alkali is
Blue litmus paper would be used and if the chemical is an acid the litmus paper would turn red.
Actually, some acids do burn litmus paper. Hydrochloric acid, for example, can burn paper, but the litmus on litmus paper shields the paper from the acid. Sulfuric acid, however, has dehydration properties, and would suck the water right out from the paper, charring it instantly.
Depends on the litmus paper. Red litmus will not turn but blue litmus will turn redish pink.
If liquid detergent turns red litmus paper blue, it is likely a base. Red litmus paper turns blue in the presence of a base, indicating that the detergent is causing a basic reaction.
the litmus paper turns red when in contact with phosphoric acid
Yes - with blue litmus paper if the solution was an acid it would turn red. if the solution was an alkali it would stay blue or if the solution is neutral it would turn green:)
Blue litmus paper turns red in acid red litmus paper turns blue in alkali.
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.
Because Vinegar is an acid, the litmus paper would turn red
Acid turns litmus paper red.
Acid will turn litmus paper red.
The litmus paper would stay red. That means vinegar is an acid.