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प्रश्न
Rana wants to buy shirts for summer. Should he buy cotton shirts or shirts made from synthetic material? Advise Rana, giving your reason.
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उत्तर
Rana should buy shirts made from cotton. This is because cotton is a good absorber of water. It can soak the sweat coming out of our body and expose it to the environment. Thus, it helps in evaporating the liquid (sweat), thereby cooling our body.
संबंधित प्रश्न
Explain why some fibres are called synthetic.
Mark (✓) the correct answer:
Rayon is different from synthetic fibres because
Fill in the blanks with appropriate words.
Synthetic fibres are also called ______ or _______ fibres.
Give examples which indicate that nylon fibres are very strong.
Complete the Analogy:
______: Films:: Nylon: Fishing nets.
What do you mean by synthetic fiber?
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 first fully synthetic fibre was ______.
Write the importance of synthetic polymers in our life.
