Question

Which of the following statements about magnetite ore of iron is/are correct?
1. It is known as black ore.
2. It contains 60% to 70% of pure iron.
3. It possesses magnetic properties.
Select the correct answer using the codes given below:

• A. 1 only
• B. 2 and 3 only
• C. 1 and 3 only
• D. 1, 2 and 3

Answer 1

Answer: (D)

1, 2 and 3

All the options are correct. Hence D is the correct answer. Magnetite is also called as black ore. It contains 60% to 70% of pure iron. Magnetite ore ($F{e}_3$$O_4$) possesses magnetic properties.