General Principles and processes of Isolation of Elements
medium

The ore that contains both iron and copper is

A

copper pyrites

B

malachite

C

dolomite

D

azurite

(JEE MAIN-2019)

Solution

Copper pyrites is $CuFeS_2$

Malachite: $CuCO_3.Cu(OH)_2$

Azurite : $2Cu(CO)_3.Cu(OH)_2$

Dolomite: $CaCO_3.MgCO_3$

Standard 12
Chemistry

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