Saturday, 31 March 2018

Important facts about some metals


Important facts about some metals

Metals are chemical elements that are used in a number of different ways. Read on and learn some interesting facts about metals. Metals are usually solid, good conductors of electricity and heat, shiny when clean, strong and malleable (meaning they can be bent and shaped).

  • Zinc phosphide is use for killing rat
  • Wood furnitures are coated with zinc chloride to prevent termites
  • Excess of copper in human being cause death called wilson
  • Calcium hydride is called hydrolith
  • Calcium hydride is used to prepare fire proof and water proof clothes
  • Titanium is called strategic metals because it is light than iron
  • Group 1st element are called alkali metals because its hydroxides are alkaline whereas gruop 2nd element are callend alkaline earth metals
  • Potassium carbonate is known as pearl ash
  • Selenium metal is used in photo electric cell
  • Galium metal is liquid at room temprature
  • Palladium metal is used in aeroplane
  • Silver and copper are best conductor of electricity
  • Oxides of metals are alkaline
  • Lithium is the lightest and the most reductant element
  • Onion and garlic have odour due to potassium
  • Cadmium rod is used in nuclear reactiors to slow down the speed of neutron
  • Barium sulphate is used as barium meal in x-ray of stomach
  • Auric chloride is used to make antevenome needles
  • Mercury is also known as quick silver mercury is kept in iron vessles because it does not make amalgams with iron
  • Lead oxide is also called litharge. It is an atmospheric oxide it is used in rubber industries In manifacturing of storage and flints glass
  • Anaemia is caused due to deficiency of iron in the body while excess of iron in the body may cause siderosis
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