Year: 2023
Topic: Chemistry-Out Of Syllabus
Time :
1.
The reaction that does NOT take place in blastfurnace between 900 K to 1500 K temperaturerange during extraction of iron is:
(1). FeO + CO → Fe + CO
2
(2). C + CO
2
→ 2CO
(3). CaO + SiO
2
→ CaSiO
3
(4). Fe
2
O
3
+ CO → 2FeO + CO
2