More than 95% of __________ is present in corundum. (A) SiO2 (B) Al2O3 (C) CaSiO2 (D) MgO

More than 95% of __________ is present in corundum. (A) SiO2
(B) Al2O3
(C) CaSiO2
(D) MgO
by

1 Answer

Answer :

B) Al2O3
by

Related questions

Cement mainly contains (A) CaO, SiO2 , Al2O3 (B) MgO, SiO2 , K2O (C) Al2O3 , MgO, Fe2O3 (D) CaO, MgO, K2O

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Last Answer : (A) CaO, SiO2 , Al2O3

The slag which floats on the surface of the molten iron generally contains (A) Lime (CaO) 45% (B) Silica (SiO2) 35% (C) Alumina (Al2O3) 12% and MgO, CaSO4, KMnO2 and FeO 8% (D) All the above

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Last Answer : Answer: Option D

The slag which floats on the surface of the molten iron generally contains (A) Lime (CaO) 45% (B) Silica (SiO2) 35% (C) Alumina (Al2O3) 12% and MgO, CaSO4, KMnO2 and FeO 8% (D) All these

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Limestone addition in the blast furnace is done to flux __________ present in the raw materials. (A) SiO2 (B) Al2O3 (C) MnO2 (D) P

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Last Answer : (B) SiO2

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