Question

fill in the blanks
1.jute and cotton are ____polymers.
2.most synthetic fibres____ catch fire.
choose the correct option.
1.which of the following is a natural polymer?
a.rayon b.polythene c.cotton d.none of these
2.which of the following is a man made polymer?
a.silk b.nylon.c.wool.d.jute
3.pvc stands for_____
a.polyvinyl chloride b.primary vinyl chloride c.polyester d.none of these
4.which of the following can be melted?
a.bakelite b.polyethylene c.synmica d.none of these
5.which type of fibre is used for making textile for suitings and shirtings?
a.terylene b.rayon c.nylon d.all of these
6.which type of fibre is used for making socks and stockings?
a.nylon b.acrylic c.terylene d.polyster
7.which type of fibre burns vigorously without forming beads?
a.polyesterb.cotton c.silk d.wool
8.which type of the following is used to replace glass in some situations?
a.nylon b.acrylic c.terylene d.polyester
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Answer 1

Answer:

1. natural

2.easily

1.silk

3.polyvinyl chloride