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NEET levelSingle correct optionDifficulty 1 of 3mt113

Chalcopyrite (copper pyrites), the most important ore of copper, has the formula

A $Cu X_{2} S$
B $Cu X_{2} O$
C $CuCO X_{3} \cdot Cu (OH) X_{2}$
D $CuFeS X_{2}$

Answer: D

Copper pyrites contains copper, iron and sulphur in 1:1:2 ratio,

CuFeS X_{2}

.

Cu X_{2} S

is copper glance,

Cu X_{2} O

is cuprite and the basic carbonate is malachite.

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