Explain antipyretics and analgesics, and give one example of each.
(i) The chemical substances which are used to lower the temperature of the body in a high fever are called antipyretics. Example: Aspirin, paracetamol and plenacetin.
(ii) The chemical substances which are used to relieve pains are called analgesics. Example: Aspirin,
novalgin.
Why should not medicines be taken without consulting doctors?
Name a substance which can be used as an antiseptic as well as disinfectant.
What are the main constitutents of dettol?
What is tincture of iodine? What is its use?
What are food preservatives?
Name the sweetening agent used in the preparation of sweet for a diabetic patient.
Why should not medicines be taken without consulting doctors?
Explain why sweetener is predicted to become great commercial success.
If water contains dissolved calcium bicarbonate, out of soaps and synthetic detergents which one will you use for cleaning clothes?
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