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Polymer Technology

Polymer Technology
Density of high density polythene is about __________ gm/c.c.

1.18
1.05
0.99
0.95

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Polymer Technology
Branched chain polymers compared to linear polymers have higher

Tensile strength
Degree of irregularity in atomic packing
Melting point
Density

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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

Weathering characteristics
Plasticity
Strength
Elasticity

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Polymer Technology
Nylon 6 as compared to nylon 6, 6 has lower

Thermal stability
Adhesion to rubber
Abrasion resistance
Hardness

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Polymer Technology
Density of low density polythene is about __________ gm/c.c.

0.91
0.38
0.81
0.56

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Polymer Technology
The inter particle forces between linear chains in nylon-66 are __________ bonds.

Ionic
None of these
Covalant
Hydrogen

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