MetallurgyHardBloom L1
Question
Among the following statements, the incorrect one is :
Options
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
Solution
(A) Calamine is ZnCO3 and siderite is FeCO3
(B) Argentite is Ag2S while cuprite is Cu2O
(C) Zinc blende is ZnS and iron pyrites is FeS2
(D) Malachite is CuCO3 Cu(OH)2 and azurite is 2CuCO3 Cu(OH)2
(B) Argentite is Ag2S while cuprite is Cu2O
(C) Zinc blende is ZnS and iron pyrites is FeS2
(D) Malachite is CuCO3 Cu(OH)2 and azurite is 2CuCO3 Cu(OH)2
Create a free account to view solution
View Solution FreeMore Metallurgy Questions
Oxidation states of the metal in the minerals haematite and magnetite, respectively, are...The metal which mainly occurs as oxide ore in nature is :...Van Arkel method of purification of metals involves converting the metal to :...The formula of carnallite is :...Magnetic separation process may be used for the concentration of :...