Question on production of copper – Solution (CSIR-NET December 2016 Part A)

This is a CSIR-NET June 2016 Part A question of Mathematical Sciences, Chemical Sciences, Earth Sciences.

Question discussed: A mine supplies 10000 tons of copper ore, containing an average of 1.5 wt% copper, to a smelter every day. The smelter extracts 80% of the copper from the ore on the same day. What is the production of copper in tons/day?

(1) 80 (2) 12 (3) 120 (4) 150

Discussed by – Christy Varghese

2 comments / Add your comment below

  1. Recently I bought the hard copy of your book from Amazon. I bought it because of the impact of your app in Playstore. I really appreciate your talent, and I hope this book would give me all the 30 marks in A part of Life Science.
    Keep going on. Thank you…..

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