__________ are produced by reacting polybasic acid (e.g. phthalic anhydride) with polyhydric alcohol (e.g., glycerol).
A. Unsaturated polyester
B. Alkyd resins
C. Saturated polyester
D. Amino resins
Answer: Option B
This Question Belongs to Chemical Engineering >> Polymer Technology
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B. Phenol & formaldehyde
C. Phenol & acetaldehyde
D. Urea & formaldehyde
Polymethyl methacrylate, which is an acrylic resin, is also called
A. Thiokol
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C. Dacron
D. Teflon
A. Improving the stretchability
B. Dyeing/colouring
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D. Glycol soaking
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A. Bakelite
B. Epoxy resin
C. Polythene
D. None of these
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