A. Detergents
B. Fertilisers
C. Aqua regia
D. Explosives
Nitric acid is not used in the manufacture of______________________? Read More »
Chemical Process A. Cellulose nitrate
B. Regenerated cellulose nitrate
C. Regenerated cellulose acetate
D. None of these
Viscose rayon is__________________? Read More »
Chemical Process A. Boiling
B. Adding Ca(OH)2
C. Boiling it with Na2CO3
D. None of these
Permanent hardness of water can be removed by___________________? Read More »
Chemical Process A. Cellulose acetate
B. Regenerated cellulose
C. Cellulose nitrate
D. Cellulose acetate butyrate
Celluloid is chemically___________________? Read More »
Chemical Process A. Impart flexibility
B. Improve workability during fabrication
C. Develop new improved properties not present in the original resins
D. All A, B. and C.
Plasticisers are added to synthetic plastics to____________________? Read More »
Chemical Process A. Adjust the pH of the syrup
B. Remove the coloring matter from the syrup
C. Reduce the viscosity of the syrup
D. Improve the rate of crystallisation of sugar
A. Alexander
B. Flaming
C. Doctor Zhivago
D. None of these
Penicillin, an antibiotic drug was discovered by__________________? Read More »
Chemical Process A. Polythene
B. Phenol formaldehyde
C. Poly vinyl chloride
D. None of these
_________________ is produced using Polycondensation Reaction? Read More »
Chemical Process A. Insecticides
B. Analgesic drug
C. Fire retardant
D. Hydrogenation catalyst
A mixture of chlorine & sodium bromide acts as a/an_________________? Read More »
Chemical Process A. Monosaccharide
B. Disaccharide
C. Polysaccharide
D. None of these
Sucrose is a__________________? Read More »
Chemical Process