Question

which of the following is an important ore of copper? 1)Malachite 2)Calamite 3)Galena 4) Dolomite

Answer 1

Malachite.

Hope this helps you quickly

Answer 2

Hey,

The answer is probably :-

1) Malachite

Here's the reason :-

Calamite :- ZnCO3
Galena :- ZnS
Dolomites :- CaCO3.ZnCO3

Probably Malachite contains copper as it is the odd one out.

Hope it helped :-)