Related Questions

__________ 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
How many liters of a 90% of concentrated acid needs to be mixed with a 75% Solution of concentrated acid to get a 30 liter Solution of 78% concentrated acid?
A 8
B 6
C 7
D 9
Pig iron is produced by blast furnaces in India using mostly the iron ore named
A Hematite
B Magnetite
C Siderite
D Chalcopyrite
Hematite iron ore contains iron about
A 30%
B 45%
C 55%
D 70%
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
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
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
The method of concentrating the ore which makes use of the difference in density between ore and impurities is called
A liquation
B leaching
C levigation
D magnetic separation

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