Metallurgy Notes IIT JEE

I want the notes of Metallurgy for preparation of IIT Joint Entrance Exam JEE main so can you please provide me?

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I am providing you the notes of Metallurgy for preparation of IIT Joint Entrance Exam JEE main

IIT JEE Main Metallurgy Notes

General Principles & Processes of Isolation of Metals

Types of Ores:

Ores may be divided into four groups

Native Ores: These ores contain the metal in free state eg. Silver gold etc. These are usually formed in the company of rock or alluvial impurities like clay, sand etc.

Oxidised Ores:These ores consist of oxides or oxysalts (eg. carbonates, phosphate) and silicate of metal. Important oxide ore includes, Fe2O3, Al2O3.2H2O etc. and important cabonate ores are limestone (CaCO3), Calamine (ZnCO3) etc.

Sulphurised Ores: These ores consist of sulfides of metals like iron, lead, mercury etc. Examples are iron pyrites (FeS2). galena (PbS), Cinnabar (HgS)

Halide ores: Metallic halides are very few in nature. Chlorides are most common examples include horn silver (AgCl) carnallite KCl. MgCl2.6H2O and fluorspar (CaF2) etc.

Metallurgy:

It is the process of extracting a metal from its ores. The following operations are carried out for obtaining the metal in the pure form.

Crushing of the ore

Dressing or concentration of the ore.

Reduction of metal.

Purification or refining of the metal

Concentration

Physical Method

Gravity separation: The powdered ores is agitated with water or washed with a running stream of water. The heavy ore particles of sand, clay etc. are washed away.

Froth Floatation Process: The finely divided ore is introduced into water containing small quantity of oil (e.g. Pine Oil). The mixture is agitated violently with air a froth is formed which carries away along with it the metallic particles on account of the surface tension forces. The froth is transferred to another bath where gangue-free ore settles down.

For complete notes here is the attachment

IIT JEE Main Metallurgy Notes