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- #General Principle and process of Isolation of metals
In the extraction of iron, slag is produced which is :
Option: 1
CO
Option: 2
FeSiO3
Option: 3
MgSiO3
Option: 4
CaSiO3
Answers (1)
In the extraction of iron, SiO2 is the impurity present which is acidic in nature. To remove this impurity we use basic flux CaCO3 which decomposes to CaO and CO2. CaO reacts with impurity to form fusible slag
Therefore, the option number (4) is correct.
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