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प्रश्न
Fill in the blanks with appropriate words.
Synthetic fibres are synthesised from raw materials called ______
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उत्तर
Synthetic fibres are synthesised from raw materials called petrochemicals.
संबंधित प्रश्न
Explain why some fibres are called synthetic.
Mark (✓) the correct answer:
Rayon is different from synthetic fibres because
‘Manufacturing synthetic fibres is actually helping conservation of forests’. Comment.
Complete the Analogy:
______: Films:: Nylon: Fishing nets.
What do you mean by synthetic fiber?
Which of the following groups contain all synthetic substances?
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.
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
