You are given hydrochloric acid, sulphuric acid, nitric acid, acetic acid, sodium hydroxide, ammonium hydroxide, lime water, and sugar. Write the effect on litmus paper and China rose solution of these substances.
(b) Which of the acids given above is present in vinegar?
Solution :
b) Acetic acid is present in vinegar.
| Compound | Colour with litmus paper | Colour with china rose solution |
| Hydrochloric acid | Blue litmus turns red | Dark pink |
| Sulphuric acid | Blue litmus turns red | Dark pink |
| Nitric acid | Blue litmus turns red | Dark pink |
| acetic acid | Blue litmus turns red | Dark pink |
| sodium hydroxide | Red litmus turns blue | Green |
| Ammonium hydroxide | Red litmus turns blue | Green |
| Lime water | Red litmus turns blue | Green |
| Sugar | No effect | No colour change |
b) Acetic acid is present in vinegar.