Multiple choice

Which of the following statements is/are false? P. Cuprite has higher copper percentage than chalcocite. Q. Chalcopyrite is called vitreous copper. R. Goethite is hydroxide ore of iron.

  1. P only

  2. Q only

  3. R only

  4. P and Q

  5. Q and R
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 hydroxide ore of iron with the chemical formula of FeO(OH).

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