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Polymer Technology

Polymer Technology
__________ polymer is used for making unbreakable crockery.

None of these
Addition
Melamine
Thermoplastic

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Polymer Technology
Polymethyl methacrylate (PMMA) which is also known as perspex and is produced by bulk polymerisation of methyl methacrylate is not a __________ polymer.

Glass like transparent
Thermoplastic
Linear
Thermosetting

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Polymer Technology
Natural rubber is obtained from latex, which is a colloidal dispersion of rubber in water. Which of the following is used as a coagulant in latex?

Both A & B
Potassium alum
Neither A nor B
Ammonium alum

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Polymer Technology
Polymerisation of poly functional monomers produces polymers having

Low melting point
Low viscosity
Good machanical strength
None of these

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Polymer Technology
Which of the following low molecular weight (

Cellulose acetate
PVC
Thiokol
Polyvinyl acetate

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Polymer Technology
__________ is a thermosetting plastic.

Polythene
PVC
Bakelite
Polystyrene

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