Give the reaction involved during extraction of zinc from its ore by
(a) roasting of zinc ore.`" "`(b) calcination of zinc ore. 

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

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

Give the reaction involved during the extraction of zinc from its ore by a. Roasting of zinc or b. Calcination of zinc ore OR How are roasting and calcination used in the extraction of zinc? Explain with the help of chemical equations. After these processes is reduction necessary to obtain zinc? Why

During extraction of a metal the ore is roasted if it is a

Give two ores of Zinc.

Give two ores of Zinc.

The main ore of zinc is:

Important ore of zinc is