Question:

Which of the following ore does not represent the ores of iron?

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Cassiterite is an ore of tin, while limonite, haematite, and magnetite are ores of iron.
Updated On: Apr 22, 2026
  • Cassiterite
  • Limonite
  • Haematite
  • Magnetite
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The Correct Option is A

Solution and Explanation

Step 1: Understanding the ores of iron.
Iron ores include hematite, magnetite, and limonite, which are commonly found in nature. These ores contain iron in various oxidation states.

Step 2: Explanation of the options.

- (1) Cassiterite: This is an ore of tin, not iron.
- (2) Limonite: Limonite is an iron ore and a mixture of iron hydroxides.
- (3) Haematite: Haematite is a major ore of iron and consists mainly of iron oxide.
- (4) Magnetite: Magnetite is also an iron ore and contains iron oxide in the form of \( Fe_3O_4 \).

Step 3: Conclusion.

The correct answer is (1) Cassiterite, which is not an ore of iron.
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