Chemical Method-Leaching (i)Ag/Acl || Hall’s and Baeyer’s || Serpeck’s Process Conversion OF Ore into Oxide-Calcination and Roasting

Concentration OF Ore|| Physical Method||Magnetic Separation Method||Froth Floatation Method||Chemical Method||Leaching|| Bayer's Process|| Hall's Process||Serpeck's Process||Mac-Arthur Forest Cyanide Process

Extraction OF Crude Metal from Concentrated Ore|| Conversion OF Concentrated Ore into Oxide|| Calcination|| Roasting||Melting|| Slag Formation|| Properties OF Slag||Flux and their types

Extraction Of Metals - Extraction Of Sodium|Extraction Of Metals - Extraction Of Aluminum|Metals With Moderate Reactivity|Methods Of Converting Metal Ore Into Oxide|Calcination|Roasting|Reduction Of Metal Oxide|Reduction Of Metal Oxide

Calcination and roasting process of reduction of ores to their oxides are beneficial :

Minerals from which metals can be extracted economically and easily are called ores.The extraction of metals from theirs ores involves the following processes. (i)Concentration. (ii)Calcination | roasting | leaching . (iii)Reduction. It is carried out be one of the following methods. Which of the following is not correctly matched ?