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.
Other Posts by onlineGKguide
- Presidents of Indian National Congress
- List of World's 15 Tallest Towers
- List of World's 15 Tallest Buildings
- UN Secretaries General
- List of Animals with Male, Female and Young Names
