1. benue state is under [a]sahel savanna [b]sudan savanna [c]guniea savanna

2. the raw materials used in blast furnance is ___
3. what property of diamond qualify it for making jewelry
4. what is the main reducing agent in blast furnance
5. what is the catalyst used in contact process
6. reaction in which heat is liberated out

1. b) sudan savanna

2. Iron ore, coke, and limestone
3. Hardness and sparkliness
4. Carbon (in the form of coke)
5. Vanadium pentoxide (V2O5)
6. Exothermic reaction