Question

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
a. Wood
C. Cloth
d. Plastic can
3. Match the following columns.
Column A
1. Polyethylene
2. Polypropylene
3. PVC
4. Polytetrafluoroethylene
5. Phenol formaldehyde
Column B
a. plumbing pipes and guttering
b. laminated products
c. disposable cups
d. bags to store milk
e. non-stick utensilsविच विच व्हिच ऑफ द फॉलोइंग इज द ईयर लिस्ट सेमी सिंथेटिक फाइबर ​

Answer 1

Answer:

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