Friday, 30 September 2016

Class 8, 10: Science - Uses of Some Common Metals and Non-Metals

Uses of Some Common Metals and Non-Metals


Class 8, 10: Science - Uses of Some Common Metals and Non-Metals

USES OF SOME COMMON METALS


MetalMain Uses
Iron

Bridges,
Train tracks,
Construction Bars, Steel,
Engine Parts, Iron sheets etc.

CopperElectrical Wires,
Utensils,
Coins etc.

Aluminium    Electric Wires,
Utensils, Airplanes,
Metallic Paints,
Foil for packaging etc.

Silver

Jewellery, Electroplating, photography,
Utensils, Coins,
silvering of mirrors etc.

GoldJewellery and Decorations, Coins

Lead

Batteries, Alloys, Paints, Alloys like solder,
Protective screen for X-Rays etc.

Mercury

Thermometers, Barometers, Dental amalgams etc.





USES OF SOME COMMON NON METALS


Non MetalMain Uses
CarbonDiamond in jewellery, in cutting and grinding industry.
Graphite as black lead in pencils,
As bleaching agent,
To produce Carbon Dioxide for Fire Extinguishers etc.

Phosphorus  Matchsticks,
  Rat poison,
  Fertilizers,
  Medicines etc.

Sulphur Gun powder,
Sulphuric Acid,
Medicines,
Vulcanization of rubber etc.
Chlorine Bleaching,
Killing germs in water,
antiseptics,
dyes,
paints etc.
IodineTincture of iodine (antiseptic),
Iodised table salt for goitre treatment,
disinfectant etc.
NitrogenFlushed in Chips packets to prevent rancidity,
Manufacturing ammonia,
Nitric acid etc.
HydrogenAs a fuel,
Oxy-Hydrogen Flame in welding,
To prepare Hydrochloric acid, Hydrogenation of oil etc.
OxygenRespiration, Supporter of combustion etc.


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