MCQ practice · SSC Chemistry Board questions · Chapter 10: Mineral Resources: Metals and Non-metals
The discovery of which took human civilization a long way forward?
Think it through first, then pick an option.
- a Gold
- b Silver
- c Bronze
- d Copper
Answer and explanation
Correct answer: c Bronze
The ancient people's invention of the alloy bronze was an epoch-making event.
Why the other options are wrong
- a Gold: The book does not call gold's discovery epoch-making; bronze was.
- b Silver: The book says nothing like this of silver; the alloy bronze was the epoch-making invention.
- d Copper: Copper was soft, so its tools did not last; bronze solved that problem.
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