Give the tests to identify acids and bases.
Test for acids and bases:
i.Litmus test: Acids convert , while base or alkali converts .
ii.Phenolphthalein test: Phenolphthalein is colourless in . The colour of phenolphthalein in a is pink.
(iii). Methyl orange test: Methyl orange is in an acid medium. Methyl orange appears in a basic medium.