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प्रश्न
Why does copper obtained in the extraction from copper pyrites have a blistered appearance?
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उत्तर
The solidified copper obtained has blistered appearance due to the evolution of SO2 and so it is called blister copper.
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संबंधित प्रश्न
Write the names and chemical formulae of any one ore of iron.
Silica is added to roasted copper ore during smelting process to remove _______.
(A) ferrous sulphide
(B) ferrous oxide
(C) cuprous sulphide
(D) cuprous oxide
Draw neat and labelled diagram of Bessermer converter used in the extraction of copper.
Which form of the iron is the purest form of commercial iron?
Explain the following methods to protect metals from corrosion:
Galvanization
Draw a neat, well labelled diagram of electrolytic cell for extraction of aluminium
What is the role of the following compound-
SiO2 in the extraction of copper from copper pyrites?
Give the uses of zinc.
The main reactions occurring in blast furnace during extraction of iron from haematite are:
(i) \[\ce{Fe2O3 + 3CO -> 2Fe + 3CO2}\]
(ii) \[\ce{FeO + SiO2 -> FeSiO3}\]
(iii) \[\ce{Fe2O3 + 3C -> 2Fe + 3CO}\]
(iv) \[\ce{CaO + SiO2 -> CaSiO3}\]
In the extraction of iron, the slag produce is
