Question

which one of the ores are calcined​

Answer 1

$\huge\mathfrak\purple{Answer}$

Heating of carbonate ores in the limited supply of air to convert them into oxides is known as calcination. So, the carbonate ores are calcined to get oxide of mineral by removal of CO2.

Answer 2

Answer:

Heating of carbonate ores in the limited supply of air to convert them into oxides is known as calcination. So, the carbonate ores are calcined to get oxide of mineral by removal of CO2.