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Chemistry
Which is incorrect statement in the following ?
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Q. Which is incorrect statement in the following ?
General Principles and Processes of Isolation of Elements
A
Calamine and siderite are carbonates
10%
B
Argentite and cuprite are oxides
60%
C
Zinc blende and iron pyrites are sulphides
5%
D
Malachite and Azurite are ores of copper. Argentite is a sulphide ore of Ag, while cuprite is an oxide ore of Cu
25%
Solution:
Correct answer is (b) Argentite and cuprite are oxides