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- 1. Multiple Choice
What is the other name for artificial silk?
polymer
nylon
rayon
acrylic
- 2. Multiple Choice
polymers are made up of small units called
layers
molecules
cells
monomers
- 3. Multiple Choice
______________ are the chemicals which give fruits their smell.
fructose
lactose
esters
- 4. Multiple Choice
the plastic which cannot be recycled
jute
rayon
petrochemicals
bakelite
- 5. Multiple Choice
_____________ was prepared from coal , water and air.
rayon
nylon
bakelite
acrylic
- 6. Multiple Choice
PET is a _________
(a) polyester
b) polyamer
(c) nylon
(d) thermosetting polymer
- 7. Multiple Choice
The Material Similar To Silk In Appearance Is:
Nylon
rayon
polyester
terylene
- 8. Multiple Choice
Which Is A Thermosetting Plastic?
melamine
polythene
PVC
nylon
- 9. Multiple Choice
A chain of small chemical units combined to form a large single unit is called ____
Polymer
Poly
Polythene
None of the above
- 10. Multiple Choice
Polythene and PVC are examples of
Bio degradable substance
Thermosetting plastics
Thermoplastics
Rayon
- 11. Multiple Choice
Polycot is made by mixing two types of fibres namely
Silk + Cotton
Polythene + cotton
Silk + Polyester
Polyester + Cotton
- 12. Multiple Choice
_____________ is an example of natural polymer
Rayon
Cellulose
Nylon
All of the above
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