Nearly how many kgs of manganese is required to manufacture one tonne of steel?

  1. 10kgs
  2. 20kgs
  3. 50kgs
  4. 100kgs
Anurag Mishra Professor Asked on 9th January 2016 in General Knowledge.
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    Answer: (1) 10 kgs 

    Anurag Mishra Professor Answered on 9th January 2016.
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