A. Lead
B. Cement
C. Carbon disulphide
D. None of these
Related Mcqs:
- Digestion of wood-base materials (for manufacture of pulp) is done to __________________?
A. Remove lignin
B. Produce long fibres
C. Prevent deterioration on storage
D. None of these - Raw materials required for the manufacture of __________________ is acetylene and hydrochloric acid?
A. Phthalic anhydride
B. Vinyl chloride
C. Maleic anhydride
D. Dacron - Catalyst used during the manufacture of ‘Vanaspati Ghee’ is ___________________?
A. Zinc
B. Nickel
C. Platinum
D. Copper - Salt is added in the kettle during soap manufacture to separate ___________________?
A. Soap from lye
B. Glycerine from lye
C. The metallic soap
D. The unsaponified fat from soap - Fourdrinier machine is used in the manufacture of ___________________?
A. Sugar
B. Paper
C. Alcohol from molasses
D. Phenol formaldehyde - ___________________ glass is used for the manufacture of optical glass ?
A. Pyrex
B. Soda
C. Flint
D. Crooke’s - Caprolactam (a raw material for nylon-6 manufacture) is produced from ___________________?
A. Phenol
B. Naphthalene
C. Benzene
D. Pyridine - Commercial production of soda ash by Solvay process requires limestone, ___________________ as raw materials?
A. Coke and sand
B. Brine and coal
C. Coke and caustic soda
D. None of these - Salt is the basic raw material for the manufacture of____________________?
A. Cement
B. Glass
C. Potteries
D. Caustic soda - Oils are partially hydrogenated (not fully) to manufacture Vanaspati , because fully saturated solidified oils ?
A. Cause cholesterol build up and blood clotting
B. Are prone to rancid oxidation
C. Always contain some amount of nickel (as their complete removal is very difficult)
D. Have affinity to retain harmful sulphur compounds
