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.
If a blue litmus paper remains blue after dipping into a solution, then: