litmus is an indicator, but is it acidic or basic?
Dear student!
Litmus paper is itself a neutral dye which is purple in color.
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?
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.
Question 13
State whether the following statements are true or false. Correct the false statements. (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 (f) Calamine can be used to treat ant’s sting (g) Lemon water is basic in nature