Chemistry
Name:
(a) the processes involved in (i) dressing of the ores (ii) refining of the ores.
(b) two metallic oxides which cannot be reduced by carbon, carbon monoxide or hydrogen.
Related Questions
Give the principles of:
(a) Hydrolytic method
(b) Froth floatation process
(c) Electromagnetic separation
(a) Name the methods by which concentrated ore is converted to metallic oxide
(b) State three objectives achieved during the roasting of ores.
Why does iron or zinc not occur free in nature?
What do you observe when hydrogen is passed over heated copper oxide?