A. A slow reaction
B. A discontinuous reaction (requiring regeneration of iron by water gas intermittently)
C. Still in development stage (by employing fluidised bed technique)
D. All A , B. and C
Related Mcqs:
- 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 gasification reaction represented by, C + H2O = CO + H2, is a/an _________________ reaction?
A. Exothermic
B. Endothermic
C. Catalytic
D. Autocatalytic - Commercial production of calcium carbide requires limestone and __________________ as raw materials?
A. Coke
B. Sand
C. Soda ash
D. Fuel oil - Oxidation of ortho-xylene in presence of ______________ catalyst is done to produce phthalic anhydride on commercial scale ?
A. Nickel
B. Vanadium
C. Alumina
D. Iron - Helium is produced on commercial scale from__________________?
A. Air
B. Natural gas
C. Coke oven gas
D. None of these - Which of the following is not produced on commercial scale from sea water ?
A. Bromine
B. Magnesium compounds
C. Potassium compounds
D. Sodium sulphate - Pig iron is produced by blast furnaces in India using mostly the iron ore named _______________?
A. Hematite
B. Magnetite
C. Siderite
D. Chalcopyrite - ___________________ iron is the purest form of iron?
A. Cast
B. Wrought
C. Pig
D. High silicon - ______________ is used as a flux in the extraction of iron from iron ore (haematite) in blast furnace?
A. Bauxite
B. Limestone
C. Quartz
D. Manganese - Commercial production of Vanaspati is done by _______________ of edible vegetable oils ?
A. Hydrogenation
B. Oxidation
C. Hydrolysis
D. Hydrocracking
