A. Bauxite
B. Silicon carbide
C. Boron carbide
D. Calcium carbide
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Related Mcqs:
- Portland cement consists mainly of__________________?
A. CaO & SiO2
B. SiO2 & Al2O3
C. CaO & Al2O3
D. CaO & Fe2O3 - Producer gas consists mainly of________________________?
A. CO, CO2 N2, H2
B. CO, H2
C. H2, CH4
D. C2H2, CO2, H2 - Coke oven gas consists mainly of ____________________?
A. H2, & CH4
B. CO, & CO2
C. H2, & CO
D. CH4, & CO - 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 - L.D. converter is used in the production of_________________?
A. Pig iron
B. Steel
C. Copper
D. Zinc - 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 - Gelatine which is a nitrogenous organic protein is obtained by the hydrolysis of_________________?
A. Collagen
B. Tannin
C. Molasses
D. Carbohydrate - 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
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