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