SCIENCE
CHEMISTRY
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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Steel
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Copper
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Iron
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Silver
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Detailed explanation-1: -Iron is the most abundant element, by mass, in the Earth, constituting about 80% of the inner and outer cores of Earth. The molten outer core is about 8000 km in diameter, and the solid inner core is about 2400 km in diameter. Iron is the fourth most abundant element in Earth’s crust.
Detailed explanation-2: -The most abundant metal in the earth crust is aluminium. Although aluminum is the most abundant metal in the earth’s crust, it is never found free in nature. All of the earth’s aluminum has combined with other elements to form compounds.
Detailed explanation-3: -The most abundant metal in the Earth’s crust is aluminium. Although it is the most abundant metal, it is never found free in nature due to its reactivity. All of the earth’s aluminium has combined with other elements to form compounds.