Civil Engineering - Building Materials - Discussion

41. 

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%
[D]. MgO, CaSO4, KMnO2 and FeO 8%
[E]. all the above.

Answer: Option E

Explanation:

No answer description available for this question.

Kundan Kumar said: (Mar 1, 2019)  
Is thus Slag is Same as Blast furnace slag? Please tell me.

Naveen said: (Jun 18, 2019)  
@Kundan.

Yes, slag is same as blast furnace slag but the meaning of slag is impurities which are in the iron.

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