Hematite iron ore contains iron about
A. 30%
B. 45%
C. 55%
D. 70%
Answer: Option D
Solution(By Examveda Team)
The principal iron ores are hematite (Fe2O3).Hematite is an iron oxide mineral.
Hematite contains iron about 70%.
This Question Belongs to Mechanical Engineering >> Engineering Materials
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