Indicator | Colour in acidic solution | Colour in alkaline solution |
---|---|---|
Litmus | Red | Blue |
Methyl orange | Red | Yellow |
Phenolphthalein | Colourless | Pink |
Indicator | Colour in acidic solution | Colour in alkaline solution |
---|---|---|
Litmus | Red | Blue |
Methyl orange | Red | Yellow |
Phenolphthalein | Colourless | Pink |