is red litmus acid or base in nature
Litmus paper is indicator paper coated with an organic dye which changes color in the presence of acids and bases. Red litmus paper is used to check for bases, blue litmus paper is used to check for acids.
State whether the following statements are true or false. Correct the false statements. [5 MARKS] (a) All substances are either acidic or basic. (b) A compound if acidic will turn all indicators red. (c) Lime water turns red litmus blue. (d) Common salt dissolved in water turns blue litmus red. (e) Phenolphthalein is a natural indicator.