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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
Mention names and formulae of two ores of alumunium.
Name the method used for refining of copper metal.
Differentiate between “minerals” and “ores”.
What is the role of the following compound-
SiO2 in the extraction of copper from copper pyrites?
In the extraction of zinc from zinc blende:
(i) Give an equation to show how zinc oxide is converted to zinc.
(ii) How is impure zinc finally electro-refined?
Metals which occur in their native state in nature:
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?
Which of the following is not an ore of magnesiuim?
The ore that contains both iron and copper is ______.
