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Volume of blast furnace slag is about _______________ times the volume of hot metal (pig iron) of the same weight ?
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Volume of blast furnace slag is about _______________ times the volume of hot metal (pig iron) of the same weight ?
A. 1.5
B. 3
C. 5
D. 7
Correct Answer:
3
✔
Last Updated:
February 08, 2019