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NEET levelSingle correct optionDifficulty 1 of 3mt063

The slag formed in the extraction of iron in the blast furnace is chiefly

A $Fe X_{3} O X_{4}$
B $CaCO X_{3}$
C $CaSiO X_{3}$
D $SiO X_{2}$

Answer: C

The flux

CaO

combines with gangue silica:

CaO + SiO X_{2} CaSiO X_{3}

. Calcium silicate is the slag.

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