Which one of the following is an important ore of Magnesium?

Correct option is C

Correct Answer: (c) Carnalite

Explanation:

• Carnalite (KMgCl₃·6H₂O) is an important ore of magnesium.

• It is a hydrous chloride of potassium and magnesium, primarily used in the extraction of magnesium metal.

Information Booster:

• Magnesium is commonly extracted from carnalite and dolomite.

• Magnesium is used in aerospace, automotive, and alloy industries due to its light weight and strength.

Additional Information:

• (a) Cassiterite

  • Primary ore of tin (SnO₂).

• (b) Malachite

  • A green mineral, important ore of copper (Cu₂CO₃(OH)₂).

• (d) Galena

  • Primary ore of lead (PbS).