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In what ratio are iron ore, coking coal and limestone required to make steel?

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Question

In what ratio are iron ore, coking coal and limestone required to make steel?

Options

  • 4 : 2 : 1

  • 4 : 1 : 2

  • 4 : 3 : 1

  • 4 : 3 : 2

MCQ
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Solution

4 : 2 : 1

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