Chapter 1 : Introduction of Polymer_1

What is the meaning of monomer?

• A small chemical molecule that can combine with the same type repetitively to form a large molecule called polymer

• A large molecule built up by the repetition of small chemical units

• A type of polymer with high molecular weight

• A type of polymer with low molecular weight

Which term is used to describe a polymer with less than 10 mers?

• Polymer

• Oligomer

• Macromolecule

• Monomer

What is the origin of biological polymers like enzymes and proteins?

• Natural

• Man-made

• Plant

• Synthetic

What type of polymer consists of the same monomer repeating unit?

• Homopolymer

• Polymer

• Oligomer

• Copolymer

What is the functionality of a monomer?

• The number of sites it has available for bonding with other molecules

• The size of the monomer

• The weight of the monomer

• The color of the monomer

Which type of polymer structure consists of spaghetti-like molecular chains?

• Linear

• Isotactic

• Branched

• Cross-linked

What does tacticity refer to in polymers?

• The size of the polymer

• The weight of the polymer

• The color of the polymer

• The way pendant groups are arranged along the backbone chain

What is the state of a polymer with a glass transition temperature (Tg) above room temperature?

• Liquid

• Solid

• Rubbery

• Brittle and glassy

Which type of polymer morphology can form crystals and fibers easily?

• Isotactic

• Amorphous

• Crystalline

• Semi-Crystalline

What is the melting temperature (Tm) used to determine in polymers?

• The temperature at which the polymer melts

• The temperature at which the polymer decomposes

• The temperature at which the polymer boils

• The temperature at which the polymer solidifies