मराठी
महाराष्ट्र राज्य शिक्षण मंडळएचएससी विज्ञान (सामान्य) इयत्ता १२ वी

Write classification of polymers on the basis of structure.

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प्रश्न

Write classification of polymers on the basis of structure.

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उत्तर

On the basis of structure polymers are classified in three types:

  1. Linear or straight-chain polymers: When monomer molecules are joined together in a linear arrangement, a straight-chain polymer is created. For example: High-density polymer (Polythene), PVC (Polyvinyl chloride).
  2. Branched-chain polymers: Branching-chain polymers are created when a monomer has three functional groups or already has side chains. As an example, consider low-density polythene.
  3. Cross linked polymers: This type of polymer is created by cross-linking linear chains to form a network-like structure. Bakelite, melamine, and other similar materials are examples.
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2021-2022 (March) Set 1

संबंधित प्रश्‍न

Draw the flow chart diagram to show the classification of polymers based on the type of polymerization.


Answer the following.

Write the names of classes of polymers formed according to intermolecular forces and describe briefly their structural characteristics.


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.


Answer the following.

Explain in detail free radical mechanism involved during preparation of addition polymer.


Homopolymer among the following is ______.


Which of the following is a biodegradable polymer?


Define elastomer.


Explain the term copolymers with examples.


Explain the classification of polymers on the basis of origin.


Which of the following statement is INCORRECT?


The monomers used in the preparation of dextron are ______.


Cuprammonium rayon and viscose rayon are ____________ polymers.


Which among the following polymers is a copolymer?


Which among the following polymers belongs to the class elastomers?


Which among the following polymer is used to make crockeries?


Which among the following polymers belongs to class thermoplastic polymers?


Identify thermoplastic polymer from the following.


The polymer used in making synthetic hair wigs is made up of ______.


Lactic acid and glycollic acid are the monomers used for the preparation of the polymer.


Wool is ______ fibre.


Which one of the following is a linear polymer?


Define homopolymer.


How are polymers classified into different categories on the basis of intermolecular forces? Give an example of a polymer of each of these categories.


What are homopolymers?


Write names of two natural polymers.


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