Related Questions

The American state that is nearest to the former Soviet Union is :
A Washington
B Hawaii
C Alaska
D New York
The leading producer of coal in former Soviet Union is
A Donetz basin
B Kuzentsk basin
C Karaganda Basin
D Pechora basin
Krivoy Rog, Kerch Peninsula, Magnitogorsk are major producers of ________ in former Soviet Union.
A Coal
B Manganese
C Copper
D Iron ore
Coal mines drainage waste water (acidic in nature) results from the earth's water percolating through the voids created in coal bed during mining. This polluted water which either drains out naturally to water courses or are removed before starting the mining is
A Neutralised by alkali treatment
B Left as such without any treatment
C Diluted with fresh water to reduce its acidity
D None of these
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

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