Question : The first metal used by man was
Option 1: Aluminium
Option 2: Copper
Option 3: Iron
Option 4: Silver
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Correct Answer: Copper
Solution : The correct answer is copper.
Copper is a naturally occurring metal that may be found in either pure form (native copper) or as an ore. It is a soft metal, but it is also malleable and ductile, which means it can be readily moulded into various shapes. Humans initially utilised copper about 10,000 years ago. The Middle East and Anatolia have the earliest traces of copper usage. Axes, knives, and spears were among the many tools and weapons made from copper.
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Question : German silver is an alloy of
Option 1: Copper, nickel and silver
Option 2: Silver ,copper and aluminium
Option 3: Zinc copper and nickel
Option 4: Zinc silver and copper
Question : Which of the metals has the maximum thermal conductivity?
Option 1: Iron
Option 2: Aluminium
Option 3: Silver
Option 4: Copper
Question : The most abundant metal in the Earth's crust is
Option 1: zinc
Option 2: copper
Option 3: Aluminium
Option 4: Iron
Question : Which of the following is the most abundant metal on Earth's crust?
Option 1: Magnesium
Option 2: Iron
Option 3: Copper
Option 4: Aluminium
Question : Which among the following metals is used for galvanisation?
Option 1: Zinc
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