Question 3:
What happens to Red litmus paper when added to acid and base solution?
When a red litmus paper is dipped in an acidic solution, it does not have any effect on it. If it is base, Then only it can turn it into a blue colour.
What is a litmus paper? What would happen when a red litmus paper is treated with a solution containing NaOH? [2 MARKS]
What happens when [5 MARKS]
a) A red litmus paper is dipped in a solution of calcium hydroxide.
b) A red litmus paper is dipped in a solution of sodium chloride.
c) A blue litmus paper is dipped in lemon juice.
d) A red litmus paper is dipped in distilled water.
e) A solution of sodium hydroxide is added to turmeric.
What would happen when a red litmus paper is treated with a solution containing NaOH? [2 MARKS]
What does exactally happen with litmus paper when it is being dropped in either base or acid to change its colour