PDF chapter test TRY NOW

1. Give the reaction involved during extraction of zinc from its ore by
a
. roasting of zinc ore.
b
. calcination of zinc ore.
 
a. Extraction of zinc from its ore by roasting of zinc ore:
b. Extraction of zinc from its ore by calcination of zinc ore:
2. An element forms an oxide, \(A_2O_3\) which is acidic in nature. Identify A as a metal or non-metal.
A is  and  are acidic in nature.