A. Producer gas
B. Water gas
C. Coke oven gas
D. All A., B. and C.
Related Mcqs:
- Main constituents of cotton fiber is__________________?
A. Lignin
B. Cellulose
C. Starch
D. Gelatine - Main constituents of natural rubber is____________________?
A. Polystyrene
B. Polyisoprene
C. Polybutadiene
D. Polychlorophrene - The major constituents of glass are____________________?
A. Lime, clay and soda ash
B. Sand, lime and soda ash
C. Silica, alumina and clay
D. Silica, alumina and soda ash - Main constituents of Portland cement are calcium aluminate and__________________?
A. Gypsum
B. Silicates
C. Sodium silicate
D. Carbonates - CaCl(OCl) is the chemical formula of___________________?
A. Hypo
B. Bleaching powder
C. Plaster of Paris
D. Aqua regia - Rotary kiln is not involved in the production of___________________?
A. Cement
B. Lime from limestone
C. Slaked lime from quick lime
D. None of these - Neoprene is the trade name of___________________?
A. Polyurethane
B. Phenol formaldehyde
C. Polychlorophrene
D. Styrene-butadiene rubber - Bromine is used in the preparation of___________________?
A. Fire extinguishing compounds
B. Fire proofing agents
C. Dyes and antiknock compounds
D. All A , B. and C. - Sodium carbonate (soda ash) is not used in the manufacture of___________________?
A. Fire extinguishers
B. Sugar
C. Baking powder
D. Detergents - Le-Blanc process is a primitive process for the manufacture of___________________?
A. Caustic soda
B. Soda ash
C. Bromine from sea water
D. Hydrochloric acid