1.
Orlan fibre which is used as a wool sub stitute is
2.
Neoprene is the trade name of
3.
Trade name of __________ is neoprene.
4.
SBR is produced by the copolymerisation of butadiene & styrene by employing emulsion polymerisation. The weight ratio of styrene and butadiene is maintained at
5.
Dacron is a/an
6.
Starting material for the production of SBR is
7.
Which of the following is a copolymer ?
8.
Fillers such as zinc oxide and carbon black are added to the crude natural rubber before vulcanisation in order to improve its
9.
The organic acid monomer in nylon 66 is
10.
Neoprene which is used for making shoe heels & belts is superior to natural rubber in its stability to aerial oxidation and resistance to oils & other solvents. The monomer used for making neoprene is