Advertisements
Advertisements
प्रश्न
Which of the following groups contain all synthetic substances?
विकल्प
Nylon, Terylene, Wool
Cotton, Polycot, Rayon
PVC, Polythene, Bakelite
Acrylic, Silk, Wool
Advertisements
उत्तर
PVC, Polythene, Bakelite
Explanation:
PVC, polythene and bakelite are synthetic substances.
APPEARS IN
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 ______
Give examples which indicate that nylon fibres are very strong.
Match the terms of column A correctly with the phrases given in column B.
| A | B | ||
| 1 | Polyester | a | Prepared by using wood pulp |
| 2 | Teflon | b | Used for making parachutes and stockings |
| 3 | Rayon | c | Used to make non-stick cookware |
| 4 | Nylon | d | Fabrics do not wrinkle easily |
‘Manufacturing synthetic fibres is actually helping conservation of forests’. Comment.
Beans and peas are pulses.
The world’s most valuable fiber is ______.
Complete the Analogy:
______: Films:: Nylon: Fishing nets.
Write the uses of synthetic fibers.
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
