Question
Question: Which of the following is not an oxide ore?...
Which of the following is not an oxide ore?
A
Corundum
B
Zincite
C
Calamine
D
Chromite
Answer
Calamine
Explanation
Solution
Corundum -
Zincite - ZnO
Calamine -
Chromite - 
Which of the following is not an oxide ore?
Corundum
Zincite
Calamine
Chromite
Calamine
Corundum -
Zincite - ZnO
Calamine -
Chromite - 