What observation will be made if a piece of blue litmus paper is dropped in each of the following
I. Sodium hydroxide solution
II. Lime juice
III. Distilled water
IV. Rain water
bases turn red litmus paper blue.
acids turn blue litmus paper red.
NaOH is a base. blue litmus will not change.
litmus juice is acid. blue litmus turns red
distilled water is neutral. no change
rain water. most rain waters are acid. blue litmus will turn red