Which of the following elements is present as the impurity to the maximum extent in the big iron?
Carbon
Silicon
Phosphorus
Manganese
A.
Carbon
Pig iron contains about 4% carbon (major impurity) and other impurities (S, P, Si, Mn) in trace amount.
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
