Question

define terms(i) Roasting (ii)Calcination

Answer 1

heya..,

Roasting - The sulphide ore convert into oxide by strongly heating in the presence of excess air this process is known as roasting.

Calcination - The carbonate ore convert into oxide by strongly heating in the presence of limited air this process is known as calcination.

hope it's helpful to you.

Answer 2

Answer:

Roasting -

The sulphide ore convert into oxide by strongly heating in the presence of excess air this process is known as roasting.

Calcination -

The carbonate ore convert into oxide by strongly heating in the presence of limited air this process is known as calcination.