Answer:
FeS + O2 - Fe,02 + SO2
Explanation:
You have to see that no of Atoms are equal on both sides or not.
FeS + O2 - Fe,02 + SO2
Ferrous is balanced on both sides and also sulphur but oxygen is not balanced .
Ino left side oxygen is 2 while on right it's 4.
So, we have to balanced Oxygen.
FeS + 2O2 - Fe,02 + SO2
Now see it's balanced (we insert 2 on left side to balance the oxygen)
