Question

3 Magnetised mineral ore was found in

A Africa
B Australia
C America
D Magnesia
E None of the above
​

Answer 1

D Magnesia

Step-by-step explanation:

Ore particles Fe3O4 (magnetite) were found in the region called Magnesia.

Magnesia was an antic city in Asia, named after the inhabitants of Greek Magnesia.

Magnetite is used as an ore, abrasive, in paint production, electrophotography, as a micronutrient fertilizer, and as a high-density concrete aggregate.