Related Questions

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%
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
__________ 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 survey was conducted among the students of Khulna University to find out how many forms of physical exercise usually swam, 25% said they usually did jogging, 20% said they played cricket, 15% said they usually played football and 20 respondents said they did not take any form of exercise. From the above findings it can be concluded that.
A The student of khulna University do not usually take physical exercise.
B No respondent took more than one form of exercise.
C The method of data collection was not valid.
D Some of the respondents took more than one form of exercise.
In which of the following states maximum iron ore is found ?
A FeCO3
B Fe2O3
C Fe3O4
D FeS2

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