A. Same as Dacron
B. A polyester
C. Both A. & B.
D. Neither A. nor B.
Related Mcqs:
- Dacron (or Terylene) fibres as compared to nylon fibres have__________________?
A. Better heat & acid resistant properties
B. Poorer resistance to alkalis
C. Poorer dyeability
D. All A , B. and C. - Chemical formula of BHC, which is an insecticide is__________________?
A. C6H6Cl6
B. C6Cl6
C. C6H5Cl
D. C6H4Cl2 - Viscose rayon is__________________?
A. Cellulose nitrate
B. Regenerated cellulose nitrate
C. Regenerated cellulose acetate
D. None of these - The most widely used coagulant for removing suspended impurities from water is__________________?
A. Bleaching powder
B. Chlorine
C. Calcium sulphate
D. Alum - Glass is__________________?
A. Mainly CaO
B. Subjected to galvanising
C. A super cooled liquid
D. All A , B. and C. - Main constituents of cotton fiber is__________________?
A. Lignin
B. Cellulose
C. Starch
D. Gelatine - Fat splitting catalyst is__________________?
A. CaCO3
B. ZnO
C. Al2O3
D. Fe - The combustion reaction, C + O2 = CO2, is__________________?
A. Exothermic
B. Endothermic
C. Autocatalytic
D. None of these - Chemical name of ‘alum’ is__________________?
A. Barium sulphate
B. Aluminium sulphate
C. Aluminium chloride
D. Calcium sulphate - Chemical name of Grignard reagent is__________________?
A. Sodium thiosulphate
B. Ethyl magnesium chloride
C. Sodium sulphite
D. Sodium bicarbonate
