| Solution | Acids | Alkalies |
|---|---|---|
| (a) Alkaline phenolphthalein solution, | Colourless | Pink |
| (b) Methyl orange solution | Pink | Yellow |
| (c) Neutral litmus solution | Red | Blue |
| Solution | Acids | Alkalies |
|---|---|---|
| (a) Alkaline phenolphthalein solution, | Colourless | Pink |
| (b) Methyl orange solution | Pink | Yellow |
| (c) Neutral litmus solution | Red | Blue |