A) A type of metal B) A small inorganic molecule C) A large molecule composed of repeating structural units D) A single atom
A) Addition polymerization B) Ring-opening polymerization C) Decomposition polymerization D) Condensation polymerization
A) The temperature at which the polymer decomposes B) The temperature at which the polymer melts C) The temperature at which the polymer transitions from a glassy to a rubbery state D) The temperature at which the polymer crystallizes
A) To decrease polymer density B) To reduce polymer chain length C) To enhance polymer solubility D) To increase mechanical strength and stability
A) A single monomer molecule B) A polymer with a high degree of crystallinity C) A polymer with only one repeating unit D) A polymer composed of two or more different monomers
A) To explain the thermodynamics of polymer solutions and blends B) To predict the mechanical properties of polymers C) To model polymer chain conformation D) To determine polymer degradation kinetics
A) To promote the formation of small crystalline regions in a polymer B) To increase the glass transition temperature C) To inhibit polymer chain flexibility D) To enhance polymer solubility
A) Molecular weight has no effect on viscosity B) Increased molecular weight leads to higher viscosity C) Increased molecular weight leads to lower elasticity D) Increased molecular weight decreases viscosity
A) To enhance or modify the properties of polymers B) To decrease polymer durability C) To break down polymer chains D) To reduce polymer flexibility
A) The glassy state is for amorphous polymers only B) In the glassy state, the polymer is hard and brittle C) The glassy state promotes polymer flexibility D) The glassy state does not affect polymer properties
A) To induce polymer degradation B) To decrease polymer solubility C) To increase mechanical strength and prevent slippage of polymer chains D) To promote polymer crystallization |