The colour is not changed.
The colour remain unchanged.
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.
Purple litmus (neutral) become red in acidic solutions.
Blue
Color of litmus will change.Red litmus will change into blue.
Mauve Colour
Red
As Lemon Juice is an Acid, the colour of the Red Litmus Paper will stay the same.
The color of litmus will be blue.
it turns blue litmus paper red
will turn red litmus blue,
Litmus does not change color in sugar solution.
It will remain red
Blue litmus turns red in acids.
base changes red litmus blue. it retains the blue colour of blue litmus paper.
Litmus become blue in contact with basic substances.