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प्रश्न
What is the role of CO in the extraction of Iron?
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उत्तर
CO acts as a reducing agent due to which iron in the ore reduces to iron metal.
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संबंधित प्रश्न
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.
What is the role of cryolite in the extraction of aluminium?
Name the method used for refining of copper metal.
Differentiate between “minerals” and “ores”.
Explain the following methods to protect metals from corrosion:
Galvanization
The chemical formula of willemite is __
(a) ZnS
(b) ZnCO3
(c) ZnO
(d) Zn2SiO4
Although carbon and hydrogen are better reducing agents but they are not used to reduce metallic oxides at high temperatures. Why?
In the thermite process, the reducing agent is:
When compared to ΔG° for the formation of Al2O3 ΔG° for the formation of Cr2O3 is
