Q51
Identify the incorrect statement with reference to unit processes in extractive metallurgy.
A.
Selective distillation is a purification technique used in extractive metallurgy
B.
Coking of coal is carried out in a shaft furnace
AnswerC.
Precipitation is a hydrometallurgy route of purification
D.
Predominance area diagram is used to select the opening conditions of roastings
Answer: Option B
Solution
Answer: Option B
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