Question

1 . Fill in the blanks by choosing the correct answer from the options given below:
(1). ___________is a naturally occurring polymer.
(a) Polyethene (b) PVC
(c) Teflon (d) Protein
(2)___________fibre is also known as artificial silk.
(a) Acrylic
(b) Nylon (c) Polyester (d) Rayon
(3)___________fibre has the highest strength.
(a) Cotton
(b) Wool (c) Nylon (d) Silk
(4) Electrical switches are made up of__________
(a) teflon
(b) bakelite (c) melamine (d) PVC
(5)___________is not a synthetic fibre.
(a) Nylon
(b) Rayon
(c) Silk
(d) Terylene
(6)___________is an example of thermoplastics.
(a) Polythene (b) Melamine (c) Bakelite (d) Both A and B
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Answer 1

Answer:

1. Protein
2. Rayon
3. Nylon
4. Bakelite
5. Silk
6. Polythene