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Chemical Engineering — Test 96

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Question 1
Polymers are_________________?
Question 2
_____________ polythene is most prone to stress-cracking ?
Question 3
Styrene which is a monomer for the production of polystyrene, is commercially produced by the __________________?
Question 4
Most of the fibre forming polymers are crystalline in nature, one of the exceptions being ______________ which is amorphous in nature?
Question 5
Which of the following is not a condensation polymer ?
Question 6
Phenol formaldehyde __________________?
Question 7
Thermocol is a spongy, porous, rigid or flexible foamed plastic, obtained by blowing gas/air through molten__________________?
Question 8
In nylon-6, the number 6 represents the total number of_________________?
Question 9
The process involved in converting rubber into a thin sheet or coating it on fabric is called__________________?
Question 10
Styrene butadiene rubber (SBR) is never used for making__________________?