It won't change, it is already red (coke is acid).
Color of litmus will change.Red litmus will change into blue.
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.
The litmus paper will turn red when placed in orange juice, indicating that the solution is acidic.
Hydrogen chloride gas is not an acid, is not in solution and does not donate protons. So, no litmus paper color change.
Blue litmus paper will turn red in the presence of an acidic solution, while red litmus paper will turn blue in the presence of an alkaline (basic) solution.
Litmus become blue in contact with basic substances.
Red to blue due to hydrolysis
Litmus does not change color in sugar solution.
If it is blue litmus paper ,then it turns red. But if its red litmus paper, it doesn't change color.
Blue litmus does not change when placed in a basic solution.
Color of litmus will change.Red litmus will change into blue.
THE COLOUR of the litmus paper will not change as a salt solution is neutral
Because Vinegar is an acid, the litmus paper would turn red
there natural color it did not change their color
The colour is red in acidic solutions.
blue and purple
The color not change.