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