Chemistry of Metals
Unit-10. Chemistry of Metals
10.1 Metals and Metallurgical Principles :
- Definition of metallurgy and its types (hydrometallurgy, pyrometallurgy, electrometallurgy)
- Introduction of ores
- Gangue or matrix, flux and slag, alloy and amalgam
- General principles of extraction of metals (different processes involved in metallurgy) – concentration, calcination and roasting, smelting, carbon reduction, thermite and electrochemical reduction
- Refining of metals (poling and electro-refinement)
10.2 Alkali and Alkaline earth Metals :
10.2.1 Alkali Metals : General characteristics of alkali metals ; Sodium [extraction from Down’s process, properties (action with Oxygen, water, acids nonmetals and ammonia) and uses] ; Properties (precipitation reaction and action with carbon monooxide) and uses of sodium hydroxide ; Properties (action with CO2, SO2, water, precipitation reactions) and uses of sodium carbonate
10.2.2 Alkaline Earth Metals : General characteristics of alkaline earth metals ; Molecular formula and uses of (quick lime, bleaching powder, magnesia, plaster of paris and epsom salt); Solubility of hydroxides, carbonates and sulphates of alkaline earth metals (general trend with explanation) ; Stability of carbonate and nitrate of alkaline earth metals (general trend with explanation).
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Notes By: Manish Joshi
