Medium
Which reaction from the following occurs at $2000 \ K$ in the blast furnace for the extraction of iron?
- A$CaO + SiO_2 \longrightarrow CaSiO_3$
- B$CaCO_3 \longrightarrow CaO + CO_2$
- C$Fe_2O_3 + 3CO \longrightarrow 2Fe + 3CO_2$
- D$2C + O_2 \longrightarrow 2CO$
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Formation of metallic copper from the sulphide ore in the commercial thermo-metallurgical process essentially involves which one of the following reactions as the major reaction?
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View SolutionAssertion : Extraction of iron metal from iron oxide ore is carried out by heating with coke.
Reason : The reaction,
$Fe_2O_{3(s)} \to Fe_{(s)} + 3/2 O_{2(g)}$ is a spontaneous process.
Reason : The reaction,
$Fe_2O_{3(s)} \to Fe_{(s)} + 3/2 O_{2(g)}$ is a spontaneous process.
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View SolutionIn the extraction process of copper,the product obtained after carrying out the reactions
$(i) 2 Cu_2S + 3 O_2 \rightarrow 2 Cu_2O + 2 SO_2$
$(ii) 2 Cu_2O + Cu_2S \rightarrow 6 Cu + SO_2$ is called
$(i) 2 Cu_2S + 3 O_2 \rightarrow 2 Cu_2O + 2 SO_2$
$(ii) 2 Cu_2O + Cu_2S \rightarrow 6 Cu + SO_2$ is called
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