Chemistry
Some Important & Common Facts in Chemistry
More Articles
- 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.
More Related Articles
Chemistry is the branch of science which deals with the composition of matter and also the Physical and Chemical characteristics associated with the different material objects. A French chemist
Atom The smallest particle of an element is called an atom. An atom can take part in chemical combination and does not occur free in nature. The atom of the hydrogen is the sma
1. Fertilizers: The substances added to the soil to make up the deficiency of essential elements are known as fertilizers, these are natural or synthetic (chemical). For a chemical fertilizer,
Chemistry: The Branch of Science Chemistry is the branch of science which deals with the composition of matter and also the physical and chemical characteristics associated with different material
Father of Periodic Table – Mendeleev Classification of Elements The arrangement of the known elements in certain groups in such a way so that the elements with similar properties are group
Chemical Bonding The force that holds together the different atoms in a molecule is called a chemical bond. There are many types of chemical bonds. Ionic bond or (Electrovalent bond): A bond
Oxidation (Old Concept) Oxidation is a process which involves either of the following: Addition of Oxygen Removal of Hydrogen Addition of Electronegative Element or Gro
Solution and Its Types Definition of Solution A homogeneous mixture of two or more pure non-reacting substances whose composition can be varied within certain limits is called a soluti
Acid Definition An acid is a substance which: is sour in taste turns blue litmus paper into red contains replaceable hydrogen gives hydrogen ions (H⁺) in a
Behaviour of Gases 1. Boyle’s law: At constant temperature, the volume of a definite mass of a gas is inversely proportional to pressure. V ∝ 1/p (at constant T)