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प्रश्न
Write the importance of synthetic polymers in our life.
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उत्तर
The importance of synthetic polymers in our life are as follows:
- Nylon: It is used for making ropes for rock climbing, fishing nets, raincoats, parachutes and tyre cords, etc.
- Acrylic: It is used for sweaters, track suits, linings for boots and gloves and In furnishing fabrics and carpets.
- Terylene: It is used in the textile industry to make clothes like sarees, tapestry and dress material. It is also mixed with natural fibres like cotton and wool to make a greater variety of clothes.
- Plastics: It is used to store food items, water, milk, pickles, dry food, etc. Plastic containers seem most convenient.
This is because of lightweight, low price, good strength and easy handling as compared to metals. Plastics are used in cars, air crafts and spacecrafts.
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संबंधित प्रश्न
Fill in the blanks with appropriate words.
Synthetic fibres are also called ______ or _______ fibres.
‘Manufacturing synthetic fibres is actually helping conservation of forests’. Comment.
Synthetic fibre is also called _______ fibre.
Choose the odd one:
What do you mean by synthetic fiber?
A synthetic fiber which looks like silk is obtained by chemical treatment of wood pulp. It is, therefore, known as artificial silk. What is its common name?
The first fully synthetic fibre was ______.
Indicate whether the following statement is True or False. Also write the false statement in their correct form.
Synthetic fibres do not melt on heating
Indicate whether the following statement is True or False. Also write the false statement in their correct form.
It is risky to wear synthetic clothes while working in the kitchen
Write an activity to show that synthetic fibres are stronger than the cotton fibres.
