मराठी

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

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प्रश्न

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

पर्याय

  • 4 : 2 : 1

  • 4 : 1 : 2

  • 4 : 3 : 1

  • 4 : 3 : 2

MCQ

उत्तर

4 : 2 : 1

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