Brass contains :

  1. 70% Copper and 30% zinc
  2. 90% copper and 10%tin
  3. 85-92% copper and rest tin with little lead and nickel
  4. 70-75% copper and rest tin
Anurag Mishra Professor Asked on 12th February 2016 in General Knowledge.
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    Answer: (1) 70% Copper and 30% Zinc 

    Anurag Mishra Professor Answered on 13th February 2016.
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