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Polymer Technology

Polymer Technology
Most commonly used rubber vulcanisation agent is

Bromine
Platinum
Sulphur
Alumina

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Polymer Technology
Fillers such as zinc oxide and carbon black are added to the crude natural rubber before vulcanisation in order to improve its

Strength
Plasticity
Weathering characteristics
Elasticity

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Polymer Technology
Which of the following polymers is used for making a non stick coating on frying pans?

PVC
Bakelite
Perspex
Teflon

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Polymer Technology
Polystyrene is a __________ plastic at room temperature.

Malleable
Ductile
None of these
Brittle

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Polymer Technology
Nylon 6, 10 which is used for bristles making is superior to nylon 6, 6 due to its lower water absorption capacity, is a/an

Polyamide
Polyisoprene
Polyester
Polystyrene

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Polymer Technology
Which of the following natural bio polymers are formed as a result of polymerisation of amino-acids?

Starch
Cellulose
Nucleic acids
Proteins

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