KERALA PSC / CHEMISTRY / CHEMICAL PROCESSES / OBJECTIVE QUESTIONS / STUDY MATERIALS / GENERAL KNOWLEDGE / KERALA PSC PRELIMINARY / NOTES

 

KERALA PSC / CHEMISTRY / CHEMICAL PROCESSES / OBJECTIVE QUESTIONS / STUDY MATERIALS / GENERAL KNOWLEDGE / KERALA PSC PRELIMINARY / NOTES

KERALA PSC / CHEMISTRY / CHEMICAL PROCESSES / OBJECTIVE QUESTIONS / STUDY MATERIALS / GENERAL KNOWLEDGE / KERALA PSC PRELIMINARY / NOTES

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

·      Sublimation: The conversion of substance directly from solid to vapour state. Camphor, Iodine etc… undergoes sublimation.

·      Oxidation: The process of loss of electrons in a chemical reaction

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

·      Pasteurization: of milk is the process by which milk is exposed to a high temperature from 62.8⁰C – 65.5⁰C for 30 minutes to destroy certain micro-organisms and to prevent or arrest 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. 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 500⁰C

·      Haber Process: The process in which Ammonia is prepared by combining nitrogen and hydrogen

·      Contact process: Preparation of sulphuric acid

·      Alumino thermic process: Preparation of chromium and manganese

·      Cyanide process: Used for the extraction of silver and gold.

 

KERALA PSC / CHEMISTRY / CHEMICAL PROCESSES / OBJECTIVE QUESTIONS / STUDY MATERIALS / GENERAL KNOWLEDGE / KERALA PSC PRELIMINARY / NOTES