Science, asked by pushkargarg96, 11 months ago

c. nylon
d. silk
made from a raw material obtained from plants?
UE -CHOICE QUESTIONS: Choose
1. Which of these is a natural fibre?
d. polyester
a. rayon
b. cotton
2. Which of these is a fibre derived from chemicals
a. rayon
b. cotton
c. nylon
3. Which of these fibres is made from a raw material of
d. polyester
a. rayon
b. nylon
c. terylene
4. Which of these is a thermosetting plastic?
d. polyvinyl chlorid
a. polystyrene b. bakelite
c. polythene
5. Which of these plastics is a polymer?
d. all of these
a. bakelite
b. polystyrene
c. polythene
6. Which of these plastics can be repeatedly na
of these plastics can be repeatedly heated and moulded into any desired shape?
d. melamine
a. bakelite
b. polythene
c. formica
7. Which of these can you use as a substitute for glass in windows
d. teflon
a. polythene
b. PVC
c. perspex
8. Which of these is not a property of plastics?
a. bad conductor of heat
b. bad conductor of electricity
c. inflammable
d. soluble in water​

Answers

Answered by Payaltanwar
2

Answer:

Answer of first que. is cotton

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