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प्रश्न
What is the role of limestone in the extraction of iron from its oxides?
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उत्तर
Limestone decomposes to form CaO which reacts with silicate impurity in the blast furnace to form slag.
CaCO3 → CaO + CO2
CaO + SiO2 → CaSiO3 (slag)
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संबंधित प्रश्न
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(A) H2
(B) CaO
(C) SiO2
(D) CO
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