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Mechanical Engineering · Q110

Engineering Materials

Engineering and GATE · Mechanical Engineering · question 110

Q110

Hematite iron ore contains iron about

A.
30%
B.
45%
C.
55%
D.
70%
Answer

Answer: Option D

Solution

Answer: Option D
Solution:
The principal iron ores are hematite (Fe2O3).
Hematite is an iron oxide mineral.
Hematite contains iron about 70%.
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