In the manufacture of viscose rayon, the raw material used industrially is

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1. Sulphur addition in soap is done to
2. Raw materials required for the manufacture of __________ is acetylene and hydrochloric acid.
3. Hydrogenation of oil takes place in a/an __________ reactor.
4. A 'unit process' is exemplified by the
5. High acid value of an oil or fat is an indication of
6. Which of the following, when pyrolysed, produces Perchloroethylene?
7. In the Solvay process, the product from the calciner is
8. Low purity oxygen is used for
9. Cumene is the starting material for the production of
10. Catalyst used in the manufacture of sulphuric acid by chamber & contact processes are respectively
11. Most easily and cheaply available fibrous raw material for paper manufacture available in India is bamboo.…
12. Helium is produced on commercial scale from
13. Which of the following is an explosive?
14. In the production of soda ash by Solvay process, the by-product is
15. Thermosetting materials
16. Multistage catalytic converter is not used in the
17. Producer gas consists mainly of
18. Dacron (or Terylene) fibres as compared to nylon fibres have
19. Zeolite is a/an
20. Bromides contained in hot mother liquor is treated with __________ during manufacture of bromine from…
21. The most economical pulp for the production of newsprint would be the __________ pulp.
22. Which of the following is a bleaching agent added in the detergents to facilitate removal of stains…
23. Molecular weights of polymers are in the range of
24. Sulphur removal by heating of pyrite ore in presence of air is called its
25. Kaolin is a/an
26. Flux addition during smelting of ore is done to
27. CO & H2 are the constituents of
28. Coagulant is used __________ filtration.
29. Which of the following is used as a binding material in soap to improve soap texture?
30. Pick out the wrong statement.

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