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Which of the given statements is/are correct?
Copper was the first metal to be used by people.
Bronze is an alloy of Copper and zinc.
Copper sulfate is used widely as an agricultural poison and as an algicide in water purification.
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1 only
2 and 3
1 and 3
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Copper was first used by man over 10,000 years ago. A copper pendant discovered in what is now northern Iraq has been dated about 8700 B.C. For nearly five millennia copper was the only metal known to man, and thus had all the metal applications.
Bronze, alloy traditionally composed of copper and tin. ... Some modern bronzes contain no tin at all, substituting other metals such as aluminum, manganese, and even zinc.
By: Kamal Kashyap ProfileResourcesReport error
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