On heating limestone, $C O_{2}$ is given off. This process of metallurgy is known as

calcination

Right on! Give the BNAT exam to get a 100% scholarship for BYJUS courses

roasting

No worries! We‘ve got your back. Try BYJU‘S free classes today!

smelting

No worries! We‘ve got your back. Try BYJU‘S free classes today!

ore-dressing

No worries! We‘ve got your back. Try BYJU‘S free classes today!

Open in App

Solution

The correct option is A calcination
Calcination is, heating of ore to high temperatures in limited supply of air or oxygen.
$C a C O_{3} h e a t - - \to C a O + C O_{2}$
Roasting is the process of heating a sulphide ore at high temperature in the presence of air.
Smelting is the process of applying heat to get metals from the ore.
Ore-dressing is the process of removing the unwanted materials from the ore.

Suggest Corrections

Similar questions

C O_{2}

C O_{2}

Join BYJU'S Learning Program