Calamine is an ore of
zinc
aluminium
iron
copper
$ZnCO_3\, =$ calamine
The method of concentrating the ore which makes use of the difference in density between ore and impurities is called
Which of the following species is (are) desirable substance(s) in extraction of copper but not in extraction of iron ?
Which of the following does not dissolve in dil $H_2SO_4$
In the extraction of copper from its sulphide ore, the metal is formed by reduction of $Cu_2O$ with
In the alumino-thermite process, $Al$ metal acts as
Confusing about what to choose? Our team will schedule a demo shortly.