Minerals from which metals can be extracted economically and easily are called ores
Channel: Doubtnut
Date: 2020-04-12

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 ?