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Chemical Engineering — Test 98

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Question 1
_____________ polymer is produced by the copolymerisation of vinyl chloride-vinyl acetate?
Question 2
Linear polymers are normally_________________?
Question 3
Condensation polymerisation is not involved in the manufacture of_________________?
Question 4
The repeating units of PTFE are___________________?
Question 5
Rayon is superior to cotton in making gauge for wound treatment, because rayon_____________________?
Question 6
Polystyrene is a light, transparent, thermoplastic material used for making __________________?
Question 7
Polypropylene is preferred to polythene, because the former is ____________________?
Question 8
The inter particle forces between linear chains in nylon-66 are ______________ bonds?
Question 9
Hot drink (e.g., tea) cups are usually made of _____________________?
Question 10
Low density polythene as compared to high density polythene is____________________?