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General Principles and processes of Isolation of Elements
medium
Among the following statements, the incorrect statement is
A
calamine and cerrusite are carbonate ores
B
rutile and cuprite are oxide ores
C
zinc blende and pyrites are sulphide ores
D
malachite and azurite are sulphate ores of $Cu$
Solution
Calamine is Zinc Carbonate
Cerrusite is Lead Carbonate
Rutile is Titanium Oxide
Cuprite is Copper oxide
Zinc Blende is Zinc sulphide
Pyrites is $CuFe _2 S _3$
Malachite is ore of $CuCO _3 \cdot Cu ( OH )_2$ but Azurite is an ore of $CuCO _3 \cdot 2 Cu ( OH )_2$
Standard 12
Chemistry
