Question

What is different between roasting and smalting

Answer 1

Roasting: The action of cooking something in an oven or over an open fire.

Smelting: Extract (metal) from its ore by a process involving heating and melting.

Answer 2

Roasting is a decomposition process in which a metallic ore is heated in the presence of air at very high temperature. ✔✔
This method is employed for sulphide Ores. Sulphur dioxide is produced along with metal oxides .✔✔
Smelting is a process of applying heat to ore in order to extract out of base metal . It is a form of extractive metallurgy . It is used to extract many metals from the ores including silver, iron copper and other base metal .✔✔