Which is the main reducing agent during production of iron from iron ore in a blast furnace ?

Related Mcqs:

Bleaching powder (chemically known as calcium chloro hypochlorite) is commercially produced by the action of chlorine on ____________________?

A. Slaked lime B. Soda lime C. Calcium perchlorate D. None of these...

Pick out the false statement pertaining to water treatment ?

A. Aeration of water is effective in CO2 removal B. The zeolite water softening process reduces the hardness of water by not more than 50% C. Sodium sulphate or sodium carbonate do not cause hardness in water D. Water with pH value less than 7, is acidic...

Salt cake is chemically represented by_________________?

A. Na2SO4 B. CaSO4. ½H2O C. MgSO4 D. BaSO4...

All enzymes are made of______________________?

A. Fats B. Carbohydrates C. Proteins D. Amino acids...

Drinking (potable) water treatment does not involve __________________?

A. Coagulation B. Sedimentation C. Softening D. Disinfection...