EASY
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Copper is used for making alloys.

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Important Questions on Metallurgy

MEDIUM
Explain the process of roasting in the extraction of copper with labelled diagram.
EASY
In the electrolytic refining of blister copper, the total number of main impurities, from the following, removed as anode mud is ___________ .
Pb, Sb, Se, Te, Ru, Ag, Au and Pt
EASY
Explain the role of SiO2 in the metallurgy of Cu containing Fe as impurity.
HARD
Name the sulphide ore of Copper. Describe how pure copper is extracted from this ore.
HARD
Upon heating with Cu2S, the reagent(s) that give copper metal is/are
MEDIUM
State with equations how you will obtain ‘blister’ copper from copper ‘matte’?
EASY
Write chemical reactions taking place in the extraction of copper from Cu2S.
EASY
When copper is extracted from pyrite ore, the molten copper metal in the Bessemer converter is contaminated with basic FeO impurity. Suggest a flux that can be used to remove the impurity as slag.
MEDIUM
Explain the process of obtaining "blister copper" from "copper matte" with equation.
MEDIUM
What is blister copper? Why is it so called?
MEDIUM

Which of the following two substances react to produce blister copper?

HARD
Extraction of copper from copper pyrite CuFeS2 involves
MEDIUM
How copper is extracted from low grade ore?
MEDIUM
How can copper be extracted from hydrometallurgical process.
EASY
Why copper matte is put in silica lined converter?
HARD
Write balanced equations for the reactions involved in the extraction of copper from copper matte.
HARD
Why is the extraction of copper from pyrites more difficult than that from its oxide ore through reduction?
EASY
In the extraction of copper from its sulphide ore, the metal is finally obtained by the reduction of cuprous oxide with: