Multiple choice

Which of the following copper ores is also known as ‘mountain blue’?

  1. CuS

  2. CuFeS2

  3. Cu2O

  4. 2CuCO3.Cu(OH)2

  5. Cu2S
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

Azurite (2CuCO3.Cu(OH)2) is commonly known as mountain blue or American stone.

Keep practicing — related questions