Some important Explosive and Facts

Some important Explosive:

  • Dynamite – it was discovered Alfred Nobel in 1863. It is prepared by absorption of saw dust with Nitro-glycrine. In modern dynamite sodium Nitrate is used in place of Nitro-glycrine.
  • Tri- Nitro Toluene (TNT)
  • Tri- Nitro Benzene (TNB)
  • Tri- Nitro Phenol – it is also known as picric acid.
  • R.D.X is highly explosive known as plastisizer in which Aluminium powder is mixed to increase the temperature and the speed of fire.

Some important facts:

  • Age of fossile and archeological excavation is determined by radioactive carbon (C14).
  • Diamond has maximum refractive index and due to total internal reflection. It has luster.
  • Chloroform in sunlight forms poisonous gas ‘Phosgene’ (COCI2).
  • To decrease the basicity of soil gypsum is used.
  • In the preparation of Telcom powder theo- phestal mineral is used.
  • Potassium chloride is most suitable for the removal of permanent hardness of water.
  • To avoid melting to ice gelatine is used.
  • When dry ice is heated it is directly converted into gas.
  • Saccharine is prepared from toluene.
  • Cream is type of milk in which amount of fat is increased while amount of water decrease.
  • From one kg of honeybee 3500 calorie energy is produces.
  • N2O is known as laughing gas.
  • Bones contain about 58% calcium phosphate
  • Phosphine gas is used in voyage as Holmes single.
  • Chlorine gas beaches the colour of flower.
  • Red phosphorus is used in match industry.
  • Urea contains 46% nitrogen.
  • In the electroplating of vessel NH4CI is used.
  • Power alcohol is prepared from mixing pure alcohol in benzene which is used as rocket fuel.
  • Artificial perfumes are prepared form Ethyl acetate.
  • Urea was the first organic compounded synthesised in lab.
  • Vinegar contains 10% acetic acid.
  • Acetylene is used for light production.
  • Ferric chloride is used to stop bleeding.
  • Barium is responsible for green colour in fireworks.
  • Cesium is used in solar cells.
  • Yellow phosphorus is kept in water.
  • Sea weeds contain iodine.
  • During cooking maximum vitamin is lost.
  • For the preparation of silver mirror, glucose is used.
  • When cream is separated from milk , it’s density increases.
  • For artifical respiration mixture of oxygen and helium gas cylinder is used.
  • In cold places, to decrease the freezing point ethylene glycol is used.
  • Hydrogen peroxide is used for oil paintings.
  • Sodium is kept in kerosene oil.
  • The heaviest element, least dense and most reductant is Iithium (Li).
  • Flourine is the most oxidising agent.
  • Silver is the best conductor of electricity.
  • Radon is the heaviest gas.
  • Polonium has the maximum number of isotopes.
  • Sulphuric acid is known as oil of vitriol.
  • Nobel metals- Ag, Au, Pt, Ir, Hg, Pd, Rh, Ru, and Os.
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Some important Explosive and Facts
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