Question

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Answer 1

Explanation:

ANSWER:-

1. Cotton is a plant product.
2. Acrylic is synthetic fiber.
3. Rayon is made of wood pulp.
4. Acrylic resembles wool.
5. Polycot is the answer.
6. Polythene and PVC (c ) part is the answer.
7. Bakelite and Melamine (d) part.
8. PVC is used to make fire resistant clothes for firefighters.
9. Melamine is used for insulation.
10. Acrylic is the answer.
11. Cotton cloth, wood and Paper is the answer. (B,C,D)

More to Know:-

• Nylon derived its name from 2 places, New York and London, as they were discovered at the same time.
• Acrylic is also called synthetic wool.
• Melamine is used to make dinner sets.

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Answer 2

Answer:

1 Which of the following natural fibres is a plant product? Cotton.

2) Which of the following is a synthetic fibre? Acrylic.

3) Which man-made fibre is made by the chemical reaction on wood pulp? Rayon.

4) Which synthetic fibres resemble wool? Acrylic.

5) By which name is the mixture of polyester and cotton known as? Polycot.

6) Which of the following are thermoplastics? B) (1) and (iv)

7) Which of the following are thermosetting plastics ? ii) and iv)

8) Which material is used to make fire resistant clothes for firefighters ? PVC.

9) Which of the following plastics is used for making electrical switches ? Melamine.

10) Which synthetic fibre is used as wool? Acrylic.

11) Which of the following is biodegradable ? Cotton cloth, wood and paper (B.C and D)

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