Question

The process of strongly heating an ore in the presence of air is called

Answer 1

It is called roasting.

Hope it helps!!!

Answer 2

There are lot of procedures which are necessary to extract necessary metal from it's ore.

Similarly,there is a process where we strongly heat an ore in the presence of air.

This process is known as the roasting process.

And by this process the sulphides are transformed into oxides for a better extraction.