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प्रश्न
‘Manufacturing synthetic fibres is actually helping conservation of forests’. Comment.
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उत्तर
Raw materials for natural fibres are mainly derived from plants and this means cutting a lot of trees. This leads to deforestation. But raw materials of synthetic materials are mainly petrochemicals. Hence, manufacturing synthetic fibres helps in the conservation of forests.
संबंधित प्रश्न
Mark (✓) the correct answer:
Rayon is different from synthetic fibres because
Fill in the blanks with appropriate words.
Synthetic fibres are synthesised from raw materials called ______
Synthetic fibre is also called _______ fibre.
Beans and peas are pulses.
Choose the odd one:
Cotton is a natural polymer. What is its chemical name?
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 synthetic fibres are also known as ______ fibres.
Write an activity to show that synthetic fibres are stronger than the cotton fibres.
Ramya loves to were clothes made up of synthetic fibres. When she was working in the kitchen, her mother advised her not to wear synthetic clothes.
- Why does Ramya’s mother advise her not to wear synthetic clothes while working in the kitchen?
- Why does Ramya love to wear synthetic dresses?
