Smelting waste is called dross.
dross
Smelting.
Smelting is for separating metals from rock (ore)
In Roasting oxygen is involved.. But it is not involving in Smelting....
The smelting furnace is very hot and uses a lot of energy. The process of smelting is used to obtain or refine metal.
dross
Slag or dross. Both are byproducts of separating the elements of liquified metal ore.
slag
It is called smelting
Smelting
smelting
smelting
Smelting
Smelting.
The process is called - smelting
smelting
Smelting is for separating metals from rock (ore)