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  4. Which of the following slag is formed during the extraction of iron in the blast furnace?

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Q. Which of the following slag is formed during the extraction of iron in the blast furnace?

Gujarat CETGujarat CET 2020

Solution:

In the extractive metallurgy of Iron,
$CaCO_3 \xrightarrow{\Delta} CaO + CO_2$
$\underset{\text{(Flux)}}{CaO} + SiO_2 \rightarrow \underset{\text{(Slag)}}{CaSiO_3}$