Which of the following statements about low-density polythene is false?
It is a poor conductor of electricity
Its synthesis requires dioxygen or a peroxide initiator as a catalyst.
It is used in the manufacture of buckets, dustbins etc.
It is used in the manufacture of buckets, dustbins etc.
C.
It is used in the manufacture of buckets, dustbins etc.
Low-density polythene does not use in the manufacture of buckets, dustbins etc. High-density polyethene is used for this purpose.
Which one is classified as a condensation polymer?
Dacron
Neoprene
Teflon
Teflon
A.
Dacron
The polymer containing strong intermolecular forces e.g. hydrogen bonding is
natural rubber
Teflon
Nylon 6,6
Nylon 6,6
C.
Nylon 6,6
Nylon-6, 6 is a fibre, it contains intermolecular hydrogen bonding. Nylon-6,6 has amide linkage and hydrogen bond are formed between -CONH- a group of successive chains. 
The two monomers used in the preparation of dextron are
3-hydroxy butanoic acid and 3-hydroxy pentanoic acid
∈ amino caproic acid and glycine
isobutylene and isoprene
lactic acid and glycolic acid
D.
lactic acid and glycolic acid
Dextron is a polyacetic acid polyglycolic 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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