Viscose rayon is

A. Cellulose nitrate

B. Regenerated cellulose nitrate

C. Regenerated cellulose acetate

D. None of these

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  1. Glycerine is not used in the
  2. Styrene (a monomer for the production of polystyrene) is commercially produced by
  3. 'Hollander beater' machine used in the paper manufacturing plant does not accomplish the task of
  4. Resistance to fusion of the refractory under a steady rising temperature condition is called
  5. The main use of HCl is in the
  6. A good quality coal should have
  7. Alcohol percentage in molasses may be around
  8. Molecular weight of plastics ranges from
  9. Air used in aerobic fermentation must be sterilized, otherwise the
  10. Main constituent of limestone is
  11. Claude process of gas liquefaction employs
  12. Which of the following is a co-product during the manufacture of caustic soda by electrolysis of brine?
  13. The major constituent of black liquor generated during paper manufacture is sodium
  14. Yellow phosphorus is transported under
  15. Oil is a/an
  16. The most popular and common detergent i.e., alkyl benzene sulfonate (ABS) is a/an __________ detergent.
  17. Nickel is not used as a catalyst in the __________ reaction.
  18. Dehydrogenation of Isopropanol produces
  19. Hydrolysis of sugar is called
  20. Nitrile rubber is produced by the polymerisation of
  21. Fatty material used in soap making is
  22. Ordinary glass is not a/an
  23. __________ is produced by the dehydrogenation of ethyl benzene.
  24. Commercially ethylene is produced from naphtha by
  25. Low purity oxygen is used for
  26. Sugar content in sugarcane on cane basis is about __________ percent by weight.
  27. Which of the following is an yellow pigment?
  28. Which of the following is an endothermic reaction?
  29. Reaction of an alcohol with organic acid is called the __________ reaction.
  30. Drinking (potable) water treatment does not involve