Question

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1. Why is rayon mixed with cotton to make fabrics?
2. Why is nylon used to make ropes and parachutes?
3. Why is polyester used to manufacture fabrics?
4. Which fibre is used as an alternative to wool and why?​

Answer 1

Answer:

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2. Nylon is used for making ropes for rock climbing and parachutes because it possesses tough material . nylon is a very strong and light fibre. That's why they are used for making ropes for rock climbing and parachutes.

4. Acrylic can be used as a substitute for wool because it is a lightweight, soft and warm synthetic fiber which is wrinkle- resistant, cheaper than wool and resistant to moths and chemicals. Natural fibers come from plants and animals such as cotton, jute etc.

Answer 2

✎Rayon is more absorbent than cotton and linen, making it the most absorbent plant-based fabric.

✎Nylon is used for making ropes for rock climbing and parachutes because it possesses tough material

✎Polyester fibers can form very iong molecules that are very stable and strong

✎Acrylic can be used as a substitute for wool because it is a lightweight, soft and warm synthetic fiber which is wrinkle- resistant,