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प्रश्न
Answer the following in one sentence.
Define the term: Synthetic fibres
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उत्तर
The man-made fibres prepared by polymerization of one monomer or copolymerization of two or more monomers are called synthetic fibres.
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संबंधित प्रश्न
How are polymers classified on the basis of polymerisation process?
Answer the following in one sentence.
Name some chain-growth polymers.
Answer the following in one sentence.
Give one example each of copolymer and homopolymer.
Answer the following.
Write the names of classes of polymers formed according to intermolecular forces and describe briefly their structural characteristics.
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.
What are synthetic resins? Name some natural and synthetic resins.
Answer the following.
Distinguish between thermosetting and thermoplastic resins. Write example of both the classes.
Attempt the following:
Classify the following polymer as straight-chain, branched-chain and cross-linked polymers.
\[\begin{array}{cc}\ce{- (CH2 - CH -)_\text{n}}\\
\phantom{.....}|\\\ce{\phantom{.......}CN}\end{array}\]
Attempt the following:
Classify the following polymer as straight-chain, branched-chain and cross-linked polymers.
Answer the following.
Explain in detail free radical mechanism involved during preparation of addition polymer.
Semisynthetic polymer among the following is ______________
Chemical combination of Ziegler-Natta catalyst is ______________
Define elastomer.
Explain the term copolymers with examples.
Define fibres.
Which polymer from following is used as synthetic leather?
Which of the following statement is INCORRECT?
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.
Which among the following polymers is a copolymer?
Which among the following polymer is used to make crockeries?
Which among the following polymers belongs to class thermoplastic polymers?
Which of the following properties is of thermoplastic polymer?
The polymer used in making handles of cookers and frying pans is ______.
What are homopolymers?
Identify the monomer used to prepare acrylic glass.
Which from following is a thermoplastic polymer?
