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.Management Sciences
Category: Chemical Process
Sulphuric acid completely saturated with sulphur trioxide is called_________________?
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A. Concentrated sulphuric acid
B. Oleum
C. Sulphurous acid
D. Dilute sulphuric acid
Viscose rayon is chemically___________________?
A. Cellulose nitrate
B. Regenerated cellulose nitrate
C. Cellulose acetate
D. Regenerated cellulose acetate
______________ are added in lacquers to remove film brittleness and to improve adhereness?
A. Film forming materials
B. Plasticisers
C. Diluents
D. Solvents
Carbon tetrachloride (CCl4) is the starting raw material for the manufacture of____________________?
A. Trichloroethylene
B. Perchloroethylene
C. Parathion
D. Methanol
Commercially ethylene is produced from naphtha by ______________________?
A. Catalytic cracking
B. Catalytic dehydrogenation
C. Pyrolysis
D. Hydrocracking
The most reactive allotropic form of phosphorus is __________________ phosphorus?
A. Red
B. Yellow
C. Violet
D. Black
Nylon-6 as compared to Nylon-66 is having higher___________________?
A. Hardness
B. Abrasion/resistance
C. Melting point
D. None of these
Viscose rayon is__________________?
A. Cellulose nitrate
B. Regenerated cellulose nitrate
C. Regenerated cellulose acetate
D. None of these
Concentration of hydrogen peroxide is done by_____________________?
A. Crystallisation
B. Vacuum crystallisation
C. Atmospheric distillation
D. Dehydration
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