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