Question : Corundum is an ore of:
Option 1: aluminium
Option 2: silver
Option 3: copper
Option 4: iron
Answer (1)
14th Jan, 2024
Correct Answer: aluminium
Solution : The correct answer is aluminium .
Corundum is an ore of aluminium. It is the crystalline form of aluminium oxide. It is the second hardest known natural substance after diamond. Its finer varieties are gemstones, sapphire, and rubies. The ore of iron is hematite, limonite, and siderite.
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