11. Which of the following is an additional step in the manufacture of paper from bagasse as compared to that from bamboo?
12. Black liquor is converted into white liquor by
13. Glycerine is a by-product of the __________ industry.
14. Sudden temperature fluctuation does not affect pyrex glass, because of its
15. Starting material for the production of butadiene in India is
16. Commercial production of calcium carbide requires limestone and __________ as raw materials.
17. Paper pulp produced by kraft/sulphate process is
18. Bleaching powder (chemically known as calcium chloro hypochlorite) is commercially produced by the action of chlorine on
19. Good quality of edible salt is obtained from brine by the process of
20. Carboxymethyl cellulose (CMC) is added in detergents to act as a/an
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