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1.
Nylon-6 is manufactured from
2.
Caprolactum, a raw material for the manufacture of nylon-6, is produced from
3.
The monomer of poly vinyl chloride (PVC) is
4.
Buna-S is also known as
5.
Neoprene is chemically known as
6.
Lavatory cisterns are normally made of
7.
Plasticisers are added to synthetic plastics to
8.
Cellulose is the main contituent of most __________ fibres.
9.
__________ resins are produced by the condensation polymerisation of formaldehyde with urea or melamine.
10.
__________ tubes are good substitude for human blood vessels onrheart by-pass operation.