A. Catalytic dehydrogenation of ethyl benzene
B. Dehydration of ethyl alcohol followed by hydrogenation
C. Reacting ethylene oxide with acetal-dehyde
D. Fermentation of starch
Answer: Option A
This Question Belongs to Chemical Engineering >> Polymer Technology
Condensation polymerisation of __________ produces bakelite.
A. Propylene
B. Phenol & formaldehyde
C. Phenol & acetaldehyde
D. Urea & formaldehyde
Polymethyl methacrylate, which is an acrylic resin, is also called
A. Thiokol
B. Plexiglass or lucite
C. Dacron
D. Teflon
A. Improving the stretchability
B. Dyeing/colouring
C. Detergent solution washing
D. Glycol soaking
__________ scrap can be recycled & reutilised.
A. Bakelite
B. Epoxy resin
C. Polythene
D. None of these
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