1 Answers

Option 3 : Only I and II

Option 3 is correct, i.e. Only I and II.

  • Haematite and Monazite are the ores of iron and thorium respectively whereas, Pitchblende (also called Uraninite) is the ore of Uranium and not copper.

Extra facts:

Element Description
Aluminium

Bauxite is an ore of Aluminium.

It is the crystalline form of aluminium oxide.

After Diamond, it is the hardest known natural substance.

It's finer varieties are the gemstones, sapphire, and ruby.

Thorium Monazite is the ore of thorium.

Iron

The main ore of iron as hematite, limonite, and siderite.

Hematite is the most important iron ore.

Iron ores are rocks and minerals from which metallic iron economically can be extracted.

Copper

The largest source of copper is from porphyry ore.

The main copper sulfide minerals are chalcopyrite, chalcocite, covellite bornite, tetrahedrite, and enargite.

Silver

The most common silver ores are native silver and argentite.

4 views

Related Questions