Classification of polymers - class-XII
Description: classification of polymers | |
Number of Questions: 40 | |
Created by: Tanuja Atwal | |
Tags: polymer chemistry polymers |
Which of the following polymers does not soften on heating?
The weakest interparticle forces are present in:
Artificial silk is a ___
The products of addition polymerisation reaction is:
Rayon is chemically known as:
Glyptal or alkyd is polymer of :
A polymer which is used as a suture, i.e., for stiching of wounds after operations is
Which of the following is used in conveyor belt?
If a polythene sample contains two monodisperse fractions in the ratio $2:3$ with degree of polymerization $100$ and $200$, respectively, then its weight average molecular weight will be:
Which of the following is not true?
Arrange the following polymers in the order of their intermolecular forces?
Nylon-6,6 $(P)$, Buna-S $(Q)$, and Polythene $(R)$
Zeifler-Natta catalystic system is a combination of :
Monomers of Natural Rubber and Neoprene are Respectively :
Which of the following substance is not a covalent polymer?
Polymerisation may occur through intermediate formation of___________.
The basis on the mode of their formation, the polymers can be classified:
Woolen clothes are mostly used in:
Removal of fleece of sheep with skin is
Polyethene is produced by :
The monomer units of neoprene are known as:
Which one of the following polymers is not properly matched to its monomer?
Monomer of polythene is :
Which one of the following is a phenolic resin similar to Bakelite?
Which of the following plastic has only aliphatic carbon atoms in their backbone chains?
The necessary condition for a compound to form fibre is that
Which is found as both straight-chained and branched polymers?
Important constituent of cell wall is:
Identify the heteropolymer from the list given below.
Three dimensional polymers with cross links formed in case of:
Which polymers occur naturally?
Which of the following is thermally stable?
Which of the following is an organic polymer?
Suppose A and B are two monomers.
Match the following types of Copolymers with their correct arrangements.
List - I List - II
(i) Random Copolymer 1) (A-A-A-A)-(B-B-B-B)-(A-A-A)
(ii) Block Copolymer 2) -A-B-A-B-A.
(iii) Graft Copolymer 3) -A-B-A-A-A-B-B-A-B-A-A-
B-B-B-B-
$|$
(iv) Alternating Copolymer 4)-A-A-A-A-A-A-A-A-A-
B-B-B-B-
Which of the following are highly crossed linked polymers?
$Si(Cl) _2(CH _3) _2 \xrightarrow {Hydrolysis} A \xrightarrow {Polymerisation} B (Polymer)$
'Koroseal' is a long, chain polymer. When mixed with plasticizers, it forms an excellent plastic. Which one of the following is not the use of it?
Arrange the following types of polymer in order of decreasing force of attraction.
Fibres Elastomer Thermoplastic
(I) (II) (III)
Which monomer would polymerise in isotactic, syndiotactic and atactic forms ?
Which pair of polymers have similar properties?