Question
Chemistry Question on General Principles and Processes of Isolation of Elements
Which one of the following is not a sulphide ore?
A
Galena
B
Iron pyrites
C
Magnetite
D
Copper glance
Answer
Magnetite
Explanation
Solution
Galena-PbS; Iron pyrites-FeS2
Magnetite-Fe3O4; Copper glance-Cu2S