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प्रश्न
The most suitable material for the preparation of handles of cooking utensils is ______.
विकल्प
Polythene
PVC
Nylon
Bakelite
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उत्तर
The most suitable material for the preparation of handles of cooking utensils is bakelite.
Explanation:
Bakelite is used for making the handles of various cooking utensils because it is a poor conductor of heat and does not become soft on getting heated.
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संबंधित प्रश्न
Give examples which indicate that nylon fibres are very strong.
‘Manufacturing synthetic fibres is actually helping conservation of forests’. Comment.
Synthetic fibre is also called _______ fibre.
Crossword
Across
1. Fibre that is used as synthetic wool.
2. A plastic used for making water bottles.
3. A long chain made of small repeatingmonomers.
4. Another name for this semi-synthetic fibre is artificial silk.
Down
5. A type of fibre that is naturally obtained from a cocoon.
6. A synthetic fibre classified as polyester.
7. A polymer used for making rope.
Choose the odd one:
Pick the synthetic fibre out of the following.
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 ______.
______ is a synthetic fibre which is strong and elastic that it has the ability to bounce.
