Which metal is often termed as back-bone of modern civilization?
A
Copper
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B
Iron
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C
Bauxite
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D
Zinc
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Solution
The correct option is B Iron Iron ore is the basic mineral and the backbone
of industrial development. India is endowed
with fairly abundant resources of iron ore. India
is rich in good quality iron ores. Magnetite is
the finest iron ore with a very high content of
iron up to 70 per cent.