Litmus -
Phenolphthalein -
Methyl Orange -
Universal Indicator -
- In acid, turns red
- In neutral, turns purple
- In alkali, turns blue
Phenolphthalein -
- In acid, turns colourless
- In neutral, turns colourless
- In alkali, turns pink
Methyl Orange -
- In acid, turns red
- In neutral, turns orange
- In alkali, turns yellow
Universal Indicator -
- In acid, turns red
- In neutral, turns green
- In alkali, turns blue