Quiz_01_1404411

Which one is stronger?

• Atactic polymer

• Syndiotactic Polymer

• Isotactic Polymer

• Linear polymers

The energy for failure or rupture energy is called:

• Toughness

• Stress

• Elasticity

• Elastic Modulus

Based on the molecular arrangement, polymer can be classified into the following types:

• Two

• Three

• Four

• Five

Molar mass can be measured by:

• Osmotic Pressure

• Scattering Techniques

• Size Exclusion Chromatography

• All of them

Polymers that can be stretched to high extensions and rapidly recover their original dimensions when the stress is released

• Thermoset

• Thermoplastic

• Elastomer

• Ceramics

Polydispersity index is:

• Mw/Mn

• Mn/Mw

• 1/( Mw)* Mn

• 1/ Mw

A polymer in which monomers are arranged in a specific order is called:

• Amorphous polymer

• Semicrystalline polymer

• Crystalline polymer

• Semi-amorphous polymer

Which one has higher crystallinity:

• Atactic

• Isotactic

• Syndiotactic

• Polymer with linear chains

Biopolymers have polydispersity index of:

• Zero

• One

• Two

• Three

Which one is not polymer?

• Polystyrene

• Polypropylene

• Wood

• Steel