Which of the following is the finest iron ore with high content of iron upto 70%?

Correct option is B

The correct answer is (b) Magnetite
Explanation:
● Magnetite is recognized as the finest iron ore with a very high iron content, reaching up to 70%.
● It possesses excellent magnetic qualities, making it highly valuable in the electrical industry.
● It is typically black or dark brownish-black in color.
Information Booster:
● Hematite is the most important industrial iron ore but has a slightly lower iron content (50-60%).
● India has rich deposits of both Magnetite and Hematite.
● Major iron ore belts in India include Odisha-Jharkhand and Durg-Bastar-Chandrapur.
Additional Knowledge:
● Mica – A non-metallic mineral used in electrical and electronic industries due to its insulating properties.
● Cobalt – Often found in association with copper and nickel ores.