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Polymer Technology

Polymer Technology
__________ is a homopolymer.

Bakelite
Nylon-66
Terylene
Neoprene

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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
Amino resins are used in paper treatment to improve its

Folding endurance
All of these
Wet tear and bursting strength
Wet rub resistance

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Polymer Technology
Main constituent of cotton fibre is

Starch
Cellulose
Gelatine
Lignin

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Polymer Technology
Bristles of tooth brushes are made of

PVC
Polystyrene
Nylon-66
Nylon-6

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Polymer Technology
Maximum consumption of polymers is in

Coating and films
Packaging
Toys making
Electrical insulation

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