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- Some Important & Common Facts In Chemistry
- Introduction - Chemistry
- Atomic Structure: Electron, Proton, Neutron etc.
- Man made substances
- Pure Substances & Mixtures in Chemistry
- Modern Periodic Table
- The Science of Chemical Bonds
- Oxidation and Reduction Explained
- Solution and Its Types
- Acids, Bases & Buffer Solution
- Behaviour of Gases & Energetics
- Faraday's Laws of Electrolysis
- Carbon: Properties and Allotropes
- Fuel Types and Quality
- Metallurgy Process
- Important Facts of Metals
- Non Metals in Daily Life
- Chemistry Shapes Daily Life
- Man-Made Substances Explained
Some Important & Common Facts in Chemistry
Common Facts
|
S. no |
Catalyst |
Process |
|
1 |
Fe + Mo |
Synthesis of NH3 by Haber's process. |
|
2 |
Ni |
Syntheses of vanaspati Ghee (hydrogenation) |
|
3 |
Pt |
Synthesis of H2SO4 by Contact process. |
|
4 |
NO |
In the manufacture of H2SO4 by the Lead chamber process |
|
5 |
Hot Al2O3 |
In the preparation of Ether from Alcohol. |
|
6 |
CuCl2 |
Preparation of chlorine gas by Deacon process. |
Some Important Explosive
- Dynamite: It was discovered Alfred Nobel in 1863. It is prepared by absorption of raw dust with Nitro-glycerin. In modern dynamite Sodium Nitrate is used in place of Nitro-glycerin.
- Tri Nitro Toluene (TNT)
- Tri Nitro Benzene (TNB)
- Tri Nitro Phenol (TNP): 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 fossils and archeological excavation is determined by radioactive carbon (C-14).
- Diamond has maximum refractive index and due to total internal reflection. It has lusture.
- Chloroform in sunlight forms poisonous gas ‘Phosgene’ (COCl2).
- To decrease the basicity of soil gypsum is used.
- In the preparation of Talcom powder theo phestal mineral is used.
- Potassium chloride is most suitable for the removal of permanent hardness of water.
- To avoid melting of ice gelatin is used.
- When dry ice is heated it is directly converted into gas.
- Saccharine is prepared from toluene.
- Cream is a type of milk in which amount of fat is increased while amount of water decrease.
- From one kilogram 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 signal.
- Chlorine gas bleaches the colour of flower.
- Red phosphorus is used in match industry.
- Urea contains 46% nitrogen.
- In the electroplating of vessel NH4Cl is used.
- Power alcohol is prepared from mixing pure alchohol in benzene which is used as rocket fuel.
- Artificial perfumes are prepared from Ethyl acetate.
- Urea was the first organic compound synthesized in Laboratory.
- 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 contains 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 artificial 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 lithium (Li).
- Fluorine is the most oxidizing agent.
- Silver is the beat conductor of electricity.
- Radon is the heaviest gas.
- Polonium has the maximum number of isotopes.
- Sulphuric acid is known as oil of vitriol.
- Noble metals – Ag, Au, Pt, Ir, Hg, Pd, Rh, Ru, and Os.
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