Viscose rayon is chemically___________________?

A. Cellulose nitrate
B. Regenerated cellulose nitrate
C. Cellulose acetate
D. Regenerated cellulose acetate

Viscose rayon is__________________?
A. Cellulose nitrate B. Regenerated cellulose nitrate C. Regenerated cellulose acetate D. None of these...
In the manufacture of viscose rayon, the raw material used industrially is ____________________?
A. Eucalyptus wood B. Bamboo C. Bagasse D. Fine teak wood...
Celluloid is chemically___________________?
A. Cellulose acetate B. Regenerated cellulose C. Cellulose nitrate D. Cellulose acetate butyrate...
Blue vitriol is chemically___________________?
A. Copper sulphate B. Ferrous sulphate C. Copper nitrate D. Aluminium sulphate...
Which of the following is an explosive ?
A. Nitro-glycerine B. Trinitrotoluene (TNT) C. Cellulose nitrate D. All A , B., and C....
Which one of the following is not an elastomer ?
A. Polyisoprene B. Neoprene C. Nitrile-butadiene D. None of these...
Which of the following processes can remove both temporary as well as permanent hardness of water ?
A. Filtration B. Boiling C. Distillation D. None of these...
_______________ is used as a flux in the smelting of copper ore like chalcopyrite ?
A. Coke breeze B. Lime powder C. Silica/quartz D. Dolomite...
The main product of high temperature carbonisation of coal is_____________________?
A. Coke B. Ammonia C. Tar D. Phenol...
Oxidation of SO2 to SO3 is favoured by______________________?
A. Low temperature and low pressure B. Low temperature and high pressure C. High temperature and low pressure D. High temperature and high pressure...