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Sunday, 26 April 2020

Chemical Processes in Chemistry

Facts about Chemical Processes in Chemistry



Chromatography: The modern and most effective method to separate different components of a mixture.

Sublimation: The change of substance directly from solid state to vapour state. Camphor, iodine etc. undergoes sublimation.

Electro Plating: The deposition of the metal on another by electric current .

Fermentation: The method used to obtain alcohol from molasses is called fermentation.

Bessemer Process: Removal of impurities from molten metal by blowing air through the molten charge in a Bessemer converter. It is used to remove carbon and phosphorus from steel; sulphur and iron from copper.

Bosch Process: Production of hydrogen by the catalytic reduction of steam with carbon monoxide at 500°C.

Haber Process: The process in which ammonia is prepared by combining nitrogen and hydrogen.

Contact Process: Preparation of sulphuric acid.

Aluminothermic Process: Reduction of iron oxide to iron using aluminium.

Cyanide Process: It is used for the extraction of silver and gold.

Ostwald Process: Preparation of nitric acid.

Hall Heroult Process: It is used to prepare aluminium by electrolysis in which alumina (aluminium oxide) is dissolved in cryolite (sodium aluminium fluoride) and electrolyzed.

Solvey process: Preparation of baking soda/ washing soda.

Mc-Arther Forrest Process : Extraction of gold.

What is Pasteurization?
Ans: It is the process by which milk is exposed to a high temperature from 62.8°C - 65.5°C for 30 minutes to destroy certain micro - organisms and to prevent or arrest fermentation.

Chemistry Sobriquets

  1. King of metals - Gold 
  2. King of poison - Arsenic
  3. Metal of the future - Titanium
  4. Rainbow metal - Irdium 
  5. Blue gold - Water
  6. Little silver - Platinum
  7. Quick silver - Mercury
  8. White gold - Platinum
  9. Chemical sun - Magnesium
  10. White tar - Naphthalene
  11. Mineral oil - Petroleum 
  12. Philosopher's wool - Zinc oxide
  13. Laughing gas - Nitrous oxide
  14. Royal liquid - Aquaregia
  15. Marsh gas - Methane
  16. Sun's son - Helium

Common Name and Chemical Name

  1. Rock Salt - Sodium chloride (NaCI)  
  2. Carborunclum - Silicon carbide (SiC) 
  3. Gypsum - Calcium sulphate (CaSO4.2H2O)
  4. Plaster of Paris - Calcium sulphate (CaSO4.½H2O) 
  5. Nitre - Potassium nitrate (KNO3)
  6. Red lead - Triplumbic tetroxide (Pb3O4)
  7. Common salt - Sodium chloride (NaCI)
  8. Hypo - Sodium thiosulphate (Na2S2O3)
  9. Candy fluid - Potassium permanganate (KMnO4)
  10. Soda nitre - Sodium nitrate (NaNO3)
  11. Chalk - Calcium carbonate (CaCO3)
  12. Spirit - Ethyl alcohol (C2H2OH)
  13. Caustic potash - Potassium hydroxide (KOH)
  14. Baking soda - Sodium bicarbonate (NaHCO3)
  15. Soda water - Carbonic acid (H2CO3)
  16. Limestone - Calcium carbonate (CaCO3) 
  17. Gun power nitre - Potassium nitrate (KNO3)
  18. Lunar caustic - Silver nitrate (AgNO3)
  19. Slaked lime Calcium hydroxide (Ca (OH)2)
  20. Quick lime - Calcium oxide (CaO)
  21. Liquor ammonia - Ammonium hydroxide (NH4OH)
  22. Potash alum - Potassium aluminium sulphate
  23. Blue vitriol - Copper sulphate (CuSO4)
  24. Washing soda - Sodium carbonate (Na2CO3)
  25. Caustic soda - Sodium hydroxide (NaOH)
  26. Calomel - Mercurous chloride (Hg2Cl2)
  27. White vitriol - Zinc sulphate (ZnSO4)
  28. Sal ammoniac - Ammonium chloride (NH4Cl)
  29. Pearl ash - Potassium carbonate (K2CO3)
  30. Green vitriol - Ferrous/Iron sulphate (FeSO4)
  31. Glauber's salt - Sodium sulphate ( Na2SO4).10H2O
  32. Chloroform - Trichloro methane (CHCl3)
  33. Litharge - Lead monoxide (PbO)
  34. Bleaching powder - Calcium oxy chloride (CaOCl2)
  35. Epsom salt - Magnesium sulphate (MgSO4.7H2O)
  36. Aspirin - Acetyl salicylic acid
  37. Salt cake - Sodium sulphate (Na2SO4)
  38. Quartz - Silicon dioxide (SiO2)
  39. Calamine - Zinc carbonate (ZnCO3)

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