![Mcqmate logo](https://mcqmate.com/images/logos/logo-black.png)
![Mcqmate logo](https://mcqmate.com/images/logos/logo-white.png)
McqMate
Q. |
Slag is a name given for - |
A. | molten iron |
B. | molten sand |
C. | molten alumina |
D. | molten calcium silicate |
Answer» C. molten alumina | |
Explanation: Slag is a partially vitreous by- product of the process of smelting ore, which separates the desired metal fraction from the unwanted fraction. A good example is steelmaking slag: quicklime and magnesite are introduced for refractory protection, neutralizing the alumina and silica separated from the metal, and assist in the removal of sulfur and phosphorus from the steel. |
View all MCQs in
ChemistryNo comments yet