When litmus paper is placed in Pepsi it will turn red. This is because litmus paper contains carboxylic acid which is acidic.
blue.
Red, due to the citric acid.
If it is blue litmus paper ,then it turns red. But if its red litmus paper, it doesn't change color.
surely red
Blue.
The indicators which change color is litmus paper strips.
Litmus paper.
It is because the red litmus paper only changes its color (from red to blue) when exposed to any basic substance. Hydrochloric acid is acidic, thus there is no change in the color of the red litmus paper, although the acid would change the color of the blue litmus paper (pH paper that tests for acidity; changes from blue to red in the presence of acid)
Litmus become blue in contact with basic substances.
In a neutral solution the litmus paper is purple.
Since vinegar is an acid it would turn red.
The color of litmus paper in acidic solutions is red.
Litmus paper turn to red color.