A. Pig iron
B. Steel
C. Copper
D. Zinc
Related Mcqs:
- Purity of oxygen used for blowing in steel making L.D. converter is 99.5%. The boiling point of oxygen is about _____________ °C ?
A. -53
B. -103
C. -183
D. -196 - Multistage catalytic converter is not used in the___________________?
A. Conversion of SO2 to SO3
B. NH3 synthesis reaction
C. Both A. and B.
D. Neither A. nor B. - The catalyst used in shift converter is___________________?
A. Nickel
B. Vanadium
C. Silica gel
D. Alumina - Conversion of SO2 to SO3 in Monsanto 4-pass converter is about ____________________ percent?
A. 80
B. 90
C. 98
D. 100 - Carborundum consists mainly of_________________?
A. Bauxite
B. Silicon carbide
C. Boron carbide
D. Calcium carbide - Mannheim furnace is used in the manufacture of_________________?
A. Hydrochloric acid
B. H2SO4 by Chamber process
C. Calcium carbide
D. Corundum - Chalcopyrite is the main ore of_________________?
A. Copper
B. Lead
C. Tin
D. Iron - Platinum is a versatile catalyst for many processes in chemical industries. It is highly prone to be poisoned by the presence of_________________?
A. Carbon
B. Arsenic
C. Lead
D. Sulphur - Acetone is produced by catalytic dehydrogenation of_________________?
A. Phenol
B. Naphthalene
C. Isopropanol
D. Ethyl benzene - Sea weeds are an important source of_________________?
A. Fluorine
B. Chlorine
C. Bromine
D. Iodine