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JEE Main levelOne or more correct optionsDifficulty 2 of 3mt140

Select all the sulphide ores from the following.

Acuprite, $Cu X_{2} O$
Bargentite, $Ag X_{2} S$
Cmalachite, $CuCO X_{3} \cdot Cu (OH) X_{2}$
Dzinc blende, $ZnS$

Answer: B, D

Argentite and zinc blende are sulphides. Cuprite is an oxide and malachite is a basic carbonate, so they are not sulphide ores.

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