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महाराष्ट्र राज्य शिक्षण मंडळएचएससी विज्ञान (सामान्य) इयत्ता १२ वी

Mention two uses of LDP.

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प्रश्न

Mention two uses of LDP.

टीपा लिहा
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उत्तर

Uses of LDP:

  1. It is mainly used in the preparation of pipes for agriculture, irrigation, domestic water line connections as well as insulation to electric cables.
  2. It is also used in submarine cable insulation.
  3. It is used in producing extruded films, sheets, mainly for packaging and household uses like in preparation of squeeze bottles, attractive containers, etc.
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पाठ 15: Introduction to Polymer Chemistry - Short Answer Questions (Type-I)

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एससीईआरटी महाराष्ट्र Chemistry [English] 12 Standard HSC
पाठ 15 Introduction to Polymer Chemistry
Short Answer Questions (Type-I) | Q 5.2

व्हिडिओ ट्यूटोरियलVIEW ALL [1]

संबंधित प्रश्‍न

Write any ‘two’ uses of terylene.


Bakelite is the polymer of:

(a) Benzaldchyde and phenol

(b) Acetaldehyde and phenol

(c) Formaldehyde and phenol

(d) Formaldehyde and benzyl alcohol

 


Write the structure of melamine.


Write the monomers of the following polymer : 


Choose the correct option from the given alternatives.

Which of the following is made up of polyamides?


Answer the following.

Write structure of natural rubber and neoprene rubber along with the name and structure of their monomers.


Draw the structures of polymers formed from the following monomers

\[\ce{n HOOC–R–COOH + n HO–R'–OH}\]


Answer the following.

Draw the structures of polymers formed from the following monomers

H2N–(CH2)5 – COOH


Answer the following.

Write name and formula of raw material from which bakelite is made.


Identify condensation polymers and addition polymers from the following.


Attempt the following:

Write the chemical reactions involved in the manufacture of Nylon 6,6.


Write preparation, properties, and uses of Teflon.


Monomer used for preparation of polyacrylonitrile is _____________


Write preparation of low density polythene.


Write the name and formulae of the monomers used for the preparation of dacron.


Define rubber.


Explain the reactions involved in the preparation of viscose rayon.


Which among the following polymers is obtained from styrene and 1-3-butadiene?


Which of the following polymer is used in paints?


How many isoprene units are present in abscisic acid?


The INCORRECT match for the polymer with its application is:


Which of the following polymers is obtained from chloroprene?


Identify the polymer obtained by polymerization of n moles of acrylonitrile.


Which among the following polymers is obtained from CH2 = CH – CN by polymerisation?


Identify the catalyst used in the manufacture of high density polythene.


Which among the following monomers is used to prepare Teflon?


Which of the following polymer is used to make blankets?


Which of the following polymers is used as insulation for cables?


Which among the following is an example of addition polymer?


Name the polymers used in laminated sheets and give the name of monomeric units involved in its formation.


Match the polymers given in Column I with the type of linkage present in them given in Column II.

Column I Column II
(i) Terylene (a) Glycosidic linkage
(ii) Nylon (b) Ester linkage
(iii) Cellulose (c) Phosphodiester linkage
(iv) Protein (d) Amide linkage
v) RNA  

F2C = CF2 is monomer of the polymer -


Which of the following polymer has ester linkage?


Trans - form of poly isoprene is:-


Which one of the following polymers are prepared by addition polymerization?


Answer the following.

Name and draw structure of the repeating unit in natural rubber.


Answer the following.

Write the structure of isoprene and the polymer obtained from it.


Name and draw the structure of the repeating unit in natural rubber.


Write the structure of isoprene and the polymer obtained from it.


Name and draw structure of the repeating unit in natural rubber.


Write the name of the monomer of natural rubber.


Match the following pairs:

Polymer Monomer
(i) Teflon (a) CH2 = CH2
(ii) PVC (b) CF2 = CF2
(iii) Natural rubber (c) Isoprene
(iv) Polythene (d) H2C=CHCl

Write the structure and name of the monomer of Nylon-6.


Write the structure and name of monomer of Natural rubber.


Write the structure of isoprene and the polymer obtained from it.


Name and draw the structure of the repeating unit in natural rubber.


Write the structure of isoprene and the polymer obtained from it.


 Write the structure of isoprene and the polymer obtained from it.


Write the structure of isoprene and the polymer obtained from it.


Write the structure of isoprene and the polymer obtained from it.


Identify polyamide polymer from following.


Which from following statements is NOT true regarding neoprene?


Which among the following is a monomer of natural rubber?


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