What type of ores are roasted?
In roasting ore is heated in the presence of excess of oxygen or air. This method is employed for sulphide ores. Example: ZnS (sphalerite) and Cu2S (chalcocite).
What is the role of cryolite in the metallurgy of aluminium?
Why is zinc not extracted from zinc oxide through reduction using CO?
What is the role of graphite rod in the electrometallurgy of aluminium?
Predict conditions under which Al might be expected to reduce MgO.
Define the term gangue or matrix.
Define the term flux.
Deine the term slag.
Why magnesium oxide is used for the lining in steel making furnance?
Which process is generally used for the benefication of sulphide ores?
Mock Test Series
