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