Important notes on Chemistry in everyday life for CBSE & IIT-JEE

These are important notes on Chemistry in everyday life for CBSE & IIT-JEE. It’s one of the important topics from CBSE examination and IIT-JEE entrance perspective!


Drugs Description Examples
Analgesics Relieve or decreases the pain without causing unconsciousness. These are also known as “Pain Killers”. Asprin, Analgin, seridon etc
Tranquizers/ Antidepressants These are used for treatment of mental diseases. Equanil, Calmpose, Tofranil, Barbituric Acid, Cocaine and Iproniazids etc..
Antiseptics They are applied on living tissues to kill or prevent the growth of microorganisms. Dettol, Savlon and Acriflavin etc
Disinfectants These are applied on floor, instruments or wall etc. to kill microorganisms but are not safe for application on living tissues. Phenol
Antimicrobial These are use to either kill (bactericidal) or stop the growth of diseases causing microorganisms. (bacteriostatic). Salvarsan, Prontosil, Sulphanilamide, Bacteriostatic Drugs: Erythromycin, Tetracycline, Chloramphenicol Bactericidal Drugs: Ofloxacin, Aminoglycosides.
Antipyretics These drugs bring down the body temperature during fever. Paracetamol, Analgin and Novalgin.
Antifertility Drugs Prevent pregnancy in women by controlling menstrual cycle and ovulation Norethindrone & Mestranol
Antacids Used for the treatment of acidity. Metal hydroxides are generally used as antacids. Eno, & Milk of magnesia [Mg(OH)2]
Antibiotics These are the chemical substances which are produced by micro – organisms like bacteria and fungi and are able to kill or stop the growth of pathogenic microorganisms. Penicillin, Amoxicillin and Ampicillin.
Antihistamins These drugs compete with histamine for finding sites of receptors and thus interfere with the natural action of histamine Brompheniramine & Terfenadine


Artificial Sweetening Agents


Important notes on Organic Compound containing Nitrogen for CBSE & IIT-JEE

Food preservatives:

These are the chemical substances which prevent undesirable changes in flavor, colour, texture of the food during processing and storage of food. Examples, Table salt, sugar, vegetable oils, sodium benzoate (C6H5COONa) etc.

Cleansing Agents

Soaps: Sodium or potassium salts of fatty acids.

Soaps do not work with hard water as it forms insoluble salts with calcium and magnesium ions present in hard water.


Important notes on Aldehyde, ketone or carboxylic Acids for CBSE & IIT-JEE

Detergents: Sodium or potassium salts of sulphonic acids. These can work with hard water also.

Anionic Detergents: Sodium Slats of sulphonated long chain alcohols or hydrocarbons.

Cationic Detergents: Quaternary ammonium salts of ammines with acetates, chlorates or bromates.


Short Notes of Complex Numbers for IIT-JEE mains and advance

Non-Ionic Detergents: Do not contain any ion.

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