Which statements about magnetite ore of iron are correct?

• GC Metals Non-Metals

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:

1. 1 only
2. 2 and 3 only
3. 1 and 3 only
4. 1, 2 and 3

Answer

Iron ore is most often found in the form of hematite and magnetite. Magnetite has a chemical formula Fe₃O₄. Magnetite is ferrimagnetic and is attracted to a magnet. Magnetite is black or brownish-black with a metallic luster.

The correct option is C.