Saturday, October 3, 2015

Important Facts about Some Metals (PART-I)


  • Zinc Phosphide is used for killing rats.
  • Wood furnitures are coated with zinc chloride to prevent termites.
  • Excess of copper in human beings causes disease called wilson.
  • Galvanised iron is coated with zinc.
  • Rusting of iron is a chemical change with increase the weight of iron.
  • Calcium Hydroxide is called Hydrolith.
  • Calcium hydride is used to prepare fire proof and waterproof clothes.
  • In flash bulbs, magnesium wire is kept in atmosphere of nitrogen gas.
  • Titanium is strategies metal because it is lighter than iron.
  • Group 1st elements are called alkali metals because its hydroxides are alkaline whereas group 2nd elements are called alkaline earth metals.
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