Why is zinc not extracted from zinc oxide through reduction using CO?

Why is the extraction of copper from pyrites more difficult than that from its oxide ore through reduction?

Why is zinc oxide called amphoteric oxide?

How is zinc obtained from zinc blende? Give Chemical reactions.

What is the nature of zinc oxide?

Why are sulphide ores converted to oxide before reduction ?

Why does zinc oxide exhibit enhanced electrical conductivity on heating?

Give the reactions involved during extraction of zinc form its ore by calcination of zinc ore.

Give the reactions involved during extraction of zinc form its ore by roasting of zinc ore?

Explain the following : Why is zinc and not copper used for the recovery of silver from the complex [Ag(CN_2)]^- ?

Explain the role of the following in the extraction of metals from their ores : CO in the extraction of nickel.