The compound(s) that is(are) removed as slag during the extraction of copper is
(A)CaO,(B)FeO,(C)Al2O3,(D)ZnO,(E)NiO
Choose the correct answer from the options given below :
The compound(s) that are removed as a slag during the extraction of copper is :
∴ Only iron oxide (FeO) formed slag during extraction of copper.
The methods NOT involved in concentration of ore are
A Liquation
B Leaching
C Electrolysis
D Hydraulic washing
E Froth floatation
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The concentration of ore, also known as ore enrichment, is the process of removing gangue particles from ore in order to enhance the percentage of metal in the ore. The difference in physical or chemical properties of the ore and the impurities determines the procedures used to remove impurities from the ores.