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Recent questions tagged unit15

Which one of the following is the formula of weight average molecular mass$(\bar{M_w})$:-

asked Mar 12, 2014 by sreemathi.v

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Buna-S and Buna-N has one monomer in common:

asked Mar 12, 2014 by sreemathi.v

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Which of the following is a heterocyclic triamine with formaldehyde?

asked Mar 12, 2014 by sreemathi.v

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What is the product formed in the below polymerisation?

asked Mar 12, 2014 by sreemathi.v

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Which of the following is the monomers of terylene?

asked Mar 12, 2014 by sreemathi.v

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Which of the following compounds are formed by step-growth polymerisation?

asked Mar 12, 2014 by sreemathi.v

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Which one of the following shows the polyacrylonitrile polymer?

asked Mar 12, 2014 by sreemathi.v

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State the monomer & polymer involved in the polymerisation process? $nF_2C=CF_2\quad\underrightarrow{\text{Heat}}\quad -(F_2C-CF_2-)_n$

asked Mar 12, 2014 by sreemathi.v

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Which of the following is used as a catalyst in the preparation of high density polythene(HDP)?

asked Mar 12, 2014 by sreemathi.v

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Which of the following is not a chain growth polymerisation process?

asked Mar 12, 2014 by sreemathi.v

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How is PVC made soft?

asked Mar 12, 2014 by sreemathi.v

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Which compound makes natural rubber more elastic and non-sticky?

asked Mar 12, 2014 by sreemathi.v

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Which one of the following is used in making explosives?

asked Mar 12, 2014 by sreemathi.v

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Which of the following are not biopolymers?

asked Mar 12, 2014 by sreemathi.v

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The arrangements of the following polymers in increasing order of their intermolecular forces is

asked Mar 12, 2014 by sreemathi.v

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Which one of the following is the incorrect usage of PVC?

asked Mar 12, 2014 by sreemathi.v

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The formula of poly (E-caprolactone) is

asked Mar 12, 2014 by sreemathi.v

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Which one of the following is the structural formula of polyglycolic acid(PGA)?

asked Mar 12, 2014 by sreemathi.v

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Monomers of glyptal are

asked Mar 12, 2014 by sreemathi.v

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Ratio of monomers isobutylene & isoprene used to produce Butyl Rubber

asked Mar 11, 2014 by sreemathi.v

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Which of the following is a copolymer of glycine?

asked Mar 11, 2014 by sreemathi.v

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The monomer for PGA is

asked Mar 11, 2014 by sreemathi.v

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This polymer is used for making cups and plates which are quite hard and durable:-

asked Mar 11, 2014 by sreemathi.v

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Butyl rubber has the monomer units

asked Mar 11, 2014 by sreemathi.v

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Which of the following fibres are made of polyamides?

asked Mar 11, 2014 by sreemathi.v

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Which of the following are non-biodegradable polymers?

asked Mar 11, 2014 by sreemathi.v

1 answer

PHBV stands for

asked Mar 11, 2014 by sreemathi.v

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Cellulose diacetate polymer is

asked Mar 11, 2014 by sreemathi.v

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The polymer which is used for making non-stick utensils is

asked Mar 11, 2014 by sreemathi.v

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The incorrect name for polymethyl methacrylate (PMMA) is

asked Mar 11, 2014 by sreemathi.v

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Which of the following is a chain-growth polymer?

asked Mar 11, 2014 by sreemathi.v

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What does this ratio indicate :-$\bar{M_w}/ \bar{M_n}$

asked Mar 11, 2014 by sreemathi.v

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Which of the following is not a synthetic rubber?

asked Mar 11, 2014 by sreemathi.v

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Which of the following is one of the monomer of Buna-s?

asked Mar 11, 2014 by sreemathi.v

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Which of the following is the monomer of nylon-6?

asked Mar 11, 2014 by sreemathi.v

1 answer

Out of the addition polymers stated below,which of the following is used for making blankets,sweaters and synthetic carpets?

asked Mar 11, 2014 by sreemathi.v

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Which of the following is used for insulation of electricity carrying wires and cables?

asked Mar 11, 2014 by sreemathi.v

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State the temperature and pressure in the following reaction:$nCH_2=CH_2(Ethylene)\rightarrow -(CH_2-CH_2-)_n(polyethylene)$

asked Mar 11, 2014 by sreemathi.v

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Which of the following process organic peroxides undergo in free radical addition polymerisation?

asked Mar 11, 2014 by sreemathi.v

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Example of addition polymer is

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Which of the following is a plasticizer?

asked Mar 11, 2014 by sreemathi.v

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Which of the following is a set of cross-linking polymers?

asked Mar 11, 2014 by sreemathi.v

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On the basic of forces b/w their molecules in a polymer to which class does nylon-66 belong?

asked Mar 11, 2014 by sreemathi.v

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Which of the following polymer can be moulded into any desired shapes when heated?

asked Mar 11, 2014 by sreemathi.v

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Which of the following is an elastomer?

asked Mar 11, 2014 by sreemathi.v

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Which of the following is a linear polymer?

asked Mar 11, 2014 by sreemathi.v

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Which of the following polymers control heredity at molecular level

asked Mar 11, 2014 by sreemathi.v

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Which of the following is a monomer?

asked Mar 11, 2014 by sreemathi.v

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Which of the following is a man-made polymer?

asked Mar 11, 2014 by sreemathi.v

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Proteins are polymers of

asked Mar 11, 2014 by sreemathi.v

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