Q. Which of the following metals is the first metal used by a man?
Answer: Copper
Notes: A copper awl is the oldest metal object unearthed to date in the Middle East. The discovery reveals that metals were exchanged across hundreds of miles in this region more than 6,000 years ago, centuries earlier than previously thought, researchers say.

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📌 Question Number: 42 in Chemistry-17-Important Metals in the above course in App.