Medium
The following reactions take place in the blast furnace during the preparation of impure iron. Identify the reaction pertaining to the formation of the slag.
- A$Fe_2O_{3(s)} + 3CO_{(g)} \rightarrow 2Fe_{(l)} + 3CO_{2(g)}$
- B$CaCO_{3(s)} \rightarrow CaO_{(s)} + CO_{2(g)}$
- C$CaO_{(s)} + SiO_{2(s)} \rightarrow CaSiO_{3(l)}$
- D$2C_{(s)} + O_{2(g)} \rightarrow 2CO_{(g)}$
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Which of the following metals is extracted by the thermal reduction process?
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View SolutionLimestone is present in the blast furnace production of iron in order to
$(I)$ provide a source of $CaO$
$(II)$ remove some impurities
$(III)$ supply $CO_2$
$(I)$ provide a source of $CaO$
$(II)$ remove some impurities
$(III)$ supply $CO_2$
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View SolutionExtraction of a metal $(M)$ from its sulfide ore $(M_2S)$ involves the following chemical reactions:
$2M_2S + 3O_2 \xrightarrow{\text{heat}} 2M_2O + 2SO_2 \uparrow$
$M_2S + 2M_2O \xrightarrow{\text{heat}} 6M + SO_2 \uparrow$
The metal $(M)$ may be
$2M_2S + 3O_2 \xrightarrow{\text{heat}} 2M_2O + 2SO_2 \uparrow$
$M_2S + 2M_2O \xrightarrow{\text{heat}} 6M + SO_2 \uparrow$
The metal $(M)$ may be
What is the role of limestone during the extraction of iron from haematite ore?
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