Multiple choice

Which among the following statements is/are false?

A. Cuprite has a higher copper percentage than chalcocite. B. Chalcopyrite is called vitreous copper. C. Goethite is a hydroxide ore of iron.

  1. Only A

  2. Only B

  3. Only C

  4. A and B

  5. B and C
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

P. Cuprite (Cu2O) has 88.8% copper while chalcocite (Cu2S) has 79.8% copper. Q. Chalcopyrite is called blister copper. It has the chemical composition CuFeS2. Chalcocite (Cu2S) is an important copper ore. It is also known as redruthite or vitreous copper. R. Goethite is a hydroxide ore of iron with the chemical formula of FeO(OH).

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