laboratory medicine

As a component of baking powder In fire extinguishers In medicines as a mild antiseptic for skin diseases and to neutralize the acidity of stomach As a reagent in laboratory..

1) The ammonium chloride salt is used for cleaning metal surfaces before soldering, tinning etc. The metal is first heated and rubbed with ammonium chloride. The ammonia formed removes grease, oil etc. and the hydrogen chloride removes the oxides of metals. 2) Ammonium chloride is used in the manu..

Uses - Nitric acid has important commercial applications. It is used in: The manufacture of important fertilizers such as ammonium nitrate and basic calcium nitrate. The manufacture of explosives like T.N.T, nitroglycerine, etc. Rocket propellants: as an oxidizer. Manufacture of artificial silk, dy..

. Hydrogen is dangerous to transport, as it is highly combustible. So it is converted to ammonia, liquefied, transported and then catalytically treated to obtain hydrogen. 8) Many ammonium salts are used in medicines. Inhaling the fumes produced by rubbing ammonium carbonate in the hands ..

>The largest herbarium in our country is the central National Herbarium at Calcutta. It has about 1,000,000 plant specimens. A botanical garden is mainly a place for growing plants, which produce, colorful varieties of flowers. A botanical garden has a collection of ornamental, medicinal ..

Oxygen and sulphur belong to group VI A. Oxygen shows a valency of -2, while sulphur shows a valency of -2, +4 and +6. Industrially oxygen is manufactured by fractional distillation of liquid air free of dust particles and CO 2 . Oxides of mercury, silver and lead decompose to give O 2 on ..