Roasting is the process of heating a concentrated ore in the excess supply of air.

Q. Roasting is the process of heating a concentrated ore in the excess supply of air.

Q. The process of heating concentrated ore to a high temperature in excess air is called Roasting. State whether it is true or false

Q. Assertion :Roasting is a process in which the ore is heated strongly in absence of air. Reason: Concentration of sulphide ore is done by calcination.

Q. Roasting is the process of heating metallic ores in the absence of air.

Q. Choose the correct option using the code regarding roasting process.
I) It is the process of heating the ore in air in a reverberatory furnace to obtain the oxide.
II) It is an exothermic process.
III) It is used for the concentration of sulphide ore.
IV) It removes easily oxidisable volatile impurities present in the concentrated ore.