Polymer Technology
Size range of polymer molecules varies from __________ metre.

10⁻⁸ to 10⁻¹⁰
10⁻¹ to 10⁻²
10⁻² to 10⁻⁵
10⁻⁴ to 10⁻⁷

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Polymer Technology
Identify the group in which all the polymers mentioned can be used to make fibres.

Cellulose derivatives, Polyisoprene, Polyethylene
Cellulose derivatives, Polyamides, Polyurathane
Polypropylene, Poly vinyl chloride, Silicon
Butadiene copolymers, Polyamides, Urea aldehyde

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