A raw material used in making nylon is

The drug that is effective in the treatment of typhoid is

Pencillin was first discovered by

Methyl orange is an example of

The substances applied to fabrics before dying them is called

Indigo belongs to

Drug which helps to reduce anxiety and brings about calmness is

Morphine is

The most abundant chemical present in living being is

Which of the following is a common antacid?