The process that involves the removal of sulphur from the ores is :

Question:
The process that involves the removal of sulphur from the ores is :

Correct Option: , 2

Solution:

In roasting process, metal sulphide (MS) ore are converted into metal oxide and sulphur is

remove in the form of $\mathrm{SO}_{2}$ gas.

$2 \mathrm{MS}+3 \mathrm{O}_{2} \stackrel{\Delta}{\longrightarrow} 2 \mathrm{MO}+2 \mathrm{SO}_{2} \uparrow$