Total world production of iron destroyed by rusting is about:
A
10 %
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B
50 %
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C
15 %
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D
40 %
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Solution
The correct option is C15 % Metal corrosion is considered as a big economic loss of the world production of iron. In this process metals are oxidised under the influence of air and moisture. It has been estimated that 15% of iron is destroyed by total world production of iron.