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प्रश्न
Define fibres.
उत्तर
Polymeric solids which form threads are called fibres.
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संबंधित प्रश्न
Answer the following in one sentence.
Give one example each of copolymer and homopolymer.
Answer the following.
Classify the following polymers as natural and synthetic polymers
- Cellulose
- Polystyrene
- Terylene
- Starch
- Protein
- Silicones
- Orlon (Polyacrylonitrle)
- Phenol-formedehyde resins
Answer the following
How is polythene manufactured? Give their properties and uses.
Attempt the following:
Classify the following polymer as straight-chain, branched-chain and cross-linked polymers.
Homopolymer among the following is _____________
Write the number of carbon atoms present in the monomer used for preparation of nylon 6 polymer.
Functional group present in terylene polymer is ______.
Explain thermoplastic and thermosetting polymers.
Write the preparation of nylon 6, 6.
Mention two properties and two uses of nylon 6, 6 polymers.
Which of the following properties is of the thermosetting polymers?
The total number of electrons around the carbon atom of methyl tree radical are ______.
What type of inter molecular force is present between magnesium chloride and water?
Which among the following is not a semi-synthetic polymer?
Which of the following is a natural polymer?
Which of the following pair represents natural polymers?
A polymer which becomes soft on heating and hard on cooling, belongs to class of ______.
Identify semisynthetic polymer.
Write classification of polymers on the basis of structure.
The polymer used in making handles of cookers and frying pans is ______.
The polymer used in making synthetic hair wigs is made up of ______.
A synthetic polymer which is an ester is ______.
Write the structure of isoprene and the polymer obtained from it.
Wool is ______ fibre.
Define the synthetic polymers.
What are copolymers Give one example of copolymers.
