Question
Chemistry Question on General Principles and Processes of Isolation of Elements
Which is incorrect statement in the following ?
A
Calamine and siderite are carbonates
B
Argentite and cuprite are oxides
C
Zinc blende and iron pyrites are sulphides
D
Malachite and Azurite are ores of copper. Argentite is a sulphide ore of Ag, while cuprite is an oxide ore of Cu
Answer
Argentite and cuprite are oxides
Explanation
Solution
Answer (b) Argentite and cuprite are oxides