If a drop of lime juice is put on red litmus paper, the colour of litmus paper will change to:
Green
Pink
Remains the same
Blue
Acids change the colour of blue litmus to red but do not affect the red litmus paper so its colour will remain same.
What will be the colour change on adding common salt dissolved in water to red litmus paper as well as blue litmus paper?
If blue litmus paper is dipped in vinegar solution, the color of litmus paper will change to:
What colour change occur if we put litmus paper on salt
When a blue litmus paper is put in an acidic Solution, it turns red. Can the red litmus which has been formed used to indicate basicity?
In other words, can litmus paper which has changed its colour once be reused?