give reasons saucepan handles are made up of thermosetting plastics,cotton is preferred over synthetic material for summer clothing, toothbrush bristles are made up of nylon whereas handle is made up of plastic,use of plastics should be avoided, Parachutes and ropes are made up of nylon
Answers
Answer:
sause pans- because to avoid heat on our body
cotton, synthetic- cotton absorbs sweat from our body
tooth brush -nylon is very flexible
parachutes- nylons are strong, fleexible, and less weight which makes us easy to float in air
Explanation:
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Answer: Thermosetting plastics are used to make saucepan handles because they are bad conductors of heat and also on heating, these plastics do not get softened. Bakelite is a kind of thermosetting plastic which is a bad conductor of heat and electricity.Cotton clothes are preferred in summer as compared to synthetic clothes because cotton clothes allow the air to pass through them easily and cotton is a good absorber of water hence it will absorb more sweat during summer.The handle of a toothbrush should be hard and strong so, it should be made from plastic. While the bristles should be soft and flexible so, they should be made from nylon.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.