Related Questions

Which is the main reducing agent during production of iron from iron ore in a blast furnace?
A C
B CO
C CO2
D H2
Midrex process of sponge iron production uses reformed natural gas as the reducing agent, which uses iron ore in the form of
A Lumps
B Pellets
C Briquettes
D Sinter
Hematite iron ore contains iron about
A 30%
B 45%
C 55%
D 70%
The manufacture of iron from iron ore involves the process of
A Oxidation
B Reduction
C Fractional distillation
D Electrolysis
The manufacturing of iron from iron ore involves the process of
A Oxidation
B Reduction
C Electrolysis
D Fractional distillation
Iron content in Indian iron ore is about __________ percent.
A 80-85
B 60-65
C 40-45
D 20-25
__________ is used as a flux in the extraction of iron from iron ore (hametite) in blast furnace.
A Bauxite
B Limestone
C Quartz
D Manganese
Pig iron is produced by blast furnaces in India using mostly the iron ore named
A Hematite
B Magnetite
C Siderite
D Chalcopyrite
A man deposits certain amount in his bank account. After a few days. he withdraws half of the money deposited and deposits Tk. 500 more. If he has a balance of Tk. 2000 in his bank account, find the amount deposited initially.
A Tk. 1500
B Tk. 2000
C Tk. 2500
D Tk. 3000
In which of the following states maximum iron ore is found ?
A FeCO3
B Fe2O3
C Fe3O4
D FeS2

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