Question

pls..help ans..this questions.

Answer 1

a) The name of the process is calcination.

Steps: 1. The ore is heated in the absence of air which gives the oxide of metal and carbon dioxide.

2. The metal oxide is then reduced using a reducing agent and pure metal is obtained.

b) The process used here is called Roasting.

Steps: 1. In this process is the ore is heated in the presence of air to give metal oxide and Sulphur dioxide.

2. Later the metal oxide is reduced to get pure metal.

Hope it helps.