SATHEE: Extraction of Metals - Result Question 79

Extraction of Metals - Result Question 79

####82. When the ore haematite is burnt in air with coke around $2000^{\circ} C$ along with lime, the process not only produces steel but also produces a silicate slag, that is useful in making building materials such as cement. Discuss the same and show through balanced chemical equations.

$(1998, 4 M)$

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Solution:

$\begin{aligned} C + O_{2} \overset{2000^{\circ} C}{\to} & C O 3 C O + F e_{2} O_{3} & ⟶ 2 F e + 3 C O_{2} C a C O_{3} & ⟶ C a O + C O_{2} C a O + S i O_{2} & ⟶ C a S i O_{3} \end{aligned}$

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Extraction of Metals - Result Question 79

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