EXAMIANS
Paper like thin plastic articles can be produced by
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__________ is a copolymer.
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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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Which of the following rubbers has the widest service temperature range (-75 to 275°C) ?
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Liners of bags are usually made of
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Cellulose content in bomboo fibre is about __________ percent.
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Fillers such as zinc oxide and carbon black are added to the crude natural rubber before vulcanisation in order to improve its
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Ion exchange resins are made of
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Condensation polymerisation of formaldehyde with __________ does not produce phenolic resin.
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Polyesters are manufactured by the polycondensation reaction of
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