31. Rain coats are made of
32. Rayon is a __________ fibre.
33. Phosphates (e.g., triceresyl, tributyl, tetrabutyl, tripheyl etc.) are added to polymers to act as
34. In condensation polymerisation as compared to addition polymerisation
35. Molecular weight of a polymer is equal to the molecular weight of the repeat unit multiplied by the degree of polymerisation. What is the molecular weight of poly vinyl chloride (PVC), if its degree of polymerisation is 800?
36. Terylene is a/an
37. Styrene butadiene rubber (SBR) is
38. In nylon-6, the number 6 represents the total number of
39. Alkyd resin e.g., glyptal resin formed by phthalic anhydride and glycerene is not used
40. Adipic acid is an intermediate in the manufacture of
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