Q. Tyres are made by

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Q. Addition of plasticisers to polymers results in partial neutralisation of intermolecular forces of attraction between the macro-molecules thereby increasing its

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Q. Identify the group in which all the polymers mentioned can be used to make fibres.

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Q. Molecular weights of plastics ranges from

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Q. Non sulphonated hard bakelites are not used for making

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Q. Which of the following is not present in bagasse fibre ?

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Q. Epoxy resin is

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Q. Phthalic anhydride is used

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Q. Polythene is a/an

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Q. Synthetic polymer produced by using terephthalic acid and ethylene glycol is

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Q. Catalyst used in the production of high density polythene by low pressure Ziegler process is

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Q. Vulcanisation of rubber

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Q. Teflon is

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Q. __________ is produced by polymerisation of chloroprene.

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Q. Polyvinyl chloride (PVC) is

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Q. Pick out the wrong statement regarding the solubility characteristics of high polymers.

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Q. Polymerisation process in which two or more monomers of chemically different nature take part is called

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Q. Molecular weight of a polymer is equal to the molecular weight of the repeat unit multiplied by the degree of polymerisation. What is the molecular weight of poly vinyl chloride (PVC), if its degree of polymerisation is 800 ?

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Q. Condensation of bisphenol A with phosgene produces __________ which possess very good heat resistance.

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Q. Which of the following types of polymers has the strongest inter particle forces ?

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