Biology
Grade-10
Easy
Question
The oldest mineral discovered so far was ____, which dates back to 4.4 billion years.
- Iron
- Zircon
- Cadmium
- Silicon
Hint:
The oldest mineral discovered so far was Zircon , which dates back to 4.4 billion years.
The correct answer is: Zircon
- Zircon is a type of mineral that belongs to nesosilicates.
- From this ore, zirconium metal is found.
- They are of unique colours and many sizes.
- It a very rare mineral.
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Column I |
Column II |
| A |
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