It won't change, it is already red (coke is acid).
The color of litmus will be blue.
acid
Litmus paper tests the acidity or baseness of liquids.
yes, as it is an acid . any acid turns blue litmus paper red .
blue
Litmus become blue in contact with basic substances.
Red to blue due to hydrolysis
The color of litmus will be blue.
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.
acid
THE COLOUR of the litmus paper will not change as a salt solution is neutral
Litmus paper tests the acidity or baseness of liquids.
Litmus paper does not show green colour, only red and blue in acidic and alkaline media respectively. In fact, litmus paper does not change its colour in neutral solutions.
A moist litmus paper does not change its colour in neutral solutions.
Because Vinegar is an acid, the litmus paper would turn red
Blue litmus does not change when placed in a basic solution.