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The two monomers used in the preparation of dextron are
A. 3-hydroxy butanoic acid and 3-hydroxy pentanoic acid
B. `in` amion caproic acid and glycine
C. isobutylene and isoprene
D. lactic acid and glycolic acid

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Correct Answer - D
Dextron is a polyacetic and polyglycotic acid polymer . The monomers used are lactic acid and glycolic acid . It is copolymer and has ester linkage . It is used as friction modifier . It is added to lubricants to reduce surface friction

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