Nothing, red litmus paper changes in the presence of an acid not a base, blue litmus paper turns red with nitric acid
Blue litmus paper would be used and if the chemical is an acid the litmus paper would turn red.
Red
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.
A Blue litmus paper turns red in acid and stays blue in alkalin A red litmus paper turns blue in alkaline and stays red in acid
an acid turns the litmus paper red.
Acid: Red litmus
When an acid touches Litmus paper it turns red (pink).
The color of litmus paper in acidic solutions is red.
I believe, that acid makes blue litmus paper turn red.
No an acid will only change the litmus paper red regardless of of the substance color.
the litmus paper turns red when in contact with phosphoric acid
Nothing, red litmus paper changes in the presence of an acid not a base, blue litmus paper turns red with nitric acid
Blue litmus paper would be used and if the chemical is an acid the litmus paper would turn red.
red
Red
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.