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