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Copper ores typically contain less than _________ of copper.(a) 0.15%(b) 0.2%(c) 1%(d) 0.4%This question was posed to me in examination.This key question is from Manufacturing Processes of Copper and its Alloys in chapter Copper and its Alloys of Aerospace Materials & Processes |
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Answer» CORRECT CHOICE is (c) 1% For explanation: COPPER is found in ores in the earth’s crust. Copper oxides are found in considerable amounts but do not have a high concentration. Typically, all copper ores contain LESS than 1% of copper. |
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