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प्रश्न
Out of C and CO, which is a better reducing agent at the lower temperature range in the blast furnace to extract iron from the oxide ore?
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उत्तर
Out of C and CO, CO is a better reducing agent at the lower temperature range because `triangleG_(CO,CO_2)< triangleG_(Fe,FeO) ` . So, CO will reduce FeO, and will itself be oxidized to CO2.
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संबंधित प्रश्न
Write the names and chemical formulae of any one ore of zinc.
Fe2O3 is reduced to spongy iron near the top of blast furance by
(A) H2
(B) CaO
(C) SiO2
(D) CO
Which of the ores mentioned can be concentrated by magnetic separation method?
Differentiate between “minerals” and “ores”.
Why does copper obtained in the extraction from copper pyrites have a blistered appearance?
Metal which is found in free state is:
Which of the following options are correct?
(i) Cast iron is obtained by remelting pig iron with scrap iron and coke using hot air blast.
(ii) In extraction of silver, silver is extracted as cationic complex.
(iii) Nickel is purified by zone refining.
(iv) Zr and Ti are purified by van Arkel method.
Identify a mineral for the major source of boron from the following list?
Metal always found in Free State is
The ore that contains both iron and copper is ______.
