Name one chemical which preserves colourless fruit juices.
What do you mean by hypnotic drug?
Name one acid preservative used to preserve the food.
What do you mean by food preservation?
What does sodium benzoate actually do when it is mixed with fruit juices or squash?
What is the parent compound of sulpha drugs?
Give two uses of dettol.
Why does 70% sugar syrup act as a preservative?
What do you mean by anti depressants?
