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