When litmus paper is placed in Pepsi it will turn red. This is because litmus paper contains carboxylic acid which is acidic.
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 litmus does not change when placed in a basic solution.
Blue.
Red litmus paper will stay red when placed in hot water, as it only changes color in the presence of acids. If the hot water is acidic, then the red litmus paper will turn blue.
Blue litmus paper will turn red when dipped in Pepsi. This indicates that Pepsi is acidic in nature.
The red litmus paper will not change color when placed in table salt and water because salt (sodium chloride) is a neutral substance. Litmus paper changes color in response to acidic or basic solutions, not neutral ones.
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.
Litmus paper turns blue when placed in basic solutions. This color change occurs due to a change in the pH level of the solution, causing the litmus paper to reflect the alkaline nature of the solution.
Methanol is a neutral substance and typically does not change the color of litmus paper. Litmus paper changes color in the presence of acidic or alkaline substances.