d. hexamers
d. Acrylic
A. Tick () the correct option.
1. A synthetic fibre is made of small units called
a. polymers
b. monomers
c. tetramers
2. Which of the following is the earliest semi-synthetic fibre?
a. Polyester
b. Nylon
C. Rayon
3. Which of these synthetic fibres closely resembles wool?
a. Nylon
b. Rayon
c. Polyester
4. Which among the following is a thermosetting plastic?
a. Polythene
b. Teflon
c. Melamine
5. Which one is an example of a non-biodegradable waste?
b. Paper
d. Acrylic
d. PVC
d. Plastic can
C. Cloth
a. Wood
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