Cleansing Agents
                    Two types of detergents are used as cleansing agents. These are soaps and synthetic detergents.
Soap
Soaps are sodium or potassium salts of higher fatty acids...                
            Chemicals in Food
                    Chemicals are added to food for
    their preservation
    enhancing their appeal, and
    adding nutritive value...                
            Therapeutic Action of Different Classes of Drugs
                    Therapeutic Action of Different Classes of Drugs
Analgesics:
These are the drugs used to reduce or abolish pain without causing the loss of consciousness, paralysis and...                
            Drugs and Medicines
                    A drug, also called medicine, is a chemical substance used to cure, prevent, or diagnose a disease. Chemotherapy, use of the chemical substance for...                
             
            