A) Polymerization B) Oxidation C) Evaporation D) Condensation
A) Polyethylene B) Polycarbonate C) Polyethylene terephthalate (PET) D) Polypropylene
A) Polyvinyl chloride B) Polyvinyl alcohol C) Polycaprolactone D) Polyvinylidene chloride
A) Polypropylene B) Polyvinyl chloride (PVC) C) Polystyrene D) Polyethylene
A) Polystyrene B) Polyvinyl chloride C) Polyimide D) Polypropylene
A) Polybutylene terephthalate B) Polypropylene terephthalate C) Polyethylene terephthalate D) Polystyrene terephthalate
A) Polycarbonate B) Polyetheretherketone (PEEK) C) Polypropylene D) Polyethylene
A) Plasticization B) Polymerization C) Cross-linking D) Vulcanization
A) Polyethylene B) Polycarbonate C) Polypropylene D) Polystyrene
A) Polycarbonate B) Polyethylene C) Polypropylene D) Polyester
A) Viscosity B) Elasticity C) Rigidity D) Brittleness
A) Cross-linking B) Crystallization C) Plasticization D) Polymerization
A) Polylactic acid (PLA) B) Polystyrene C) Polyethylene D) Polypropylene
A) Stiffness B) Hardness C) Toughness D) Elasticity
A) Polyvinyl chloride (PVC) B) Polyethylene C) Polystyrene D) Cellulose
A) Small molecule with a single atomic structure B) Isolated monomer unit C) Non-reactive substance D) Large molecule, such as a polymer, composed of repeating structural units
A) Annealing B) Thermal degradation C) Plasticization D) Copolymerization
A) A single polymer chain B) A polymer without crosslinks C) A polymer with different end groups D) A mixture of two or more polymers
A) A single atomic structure B) A large molecule composed of repeated structural units C) A non-reactive substance D) A small molecule
A) Injection molding B) Extrusion C) Compression molding D) Blow molding
A) Polymers that have both amorphous and crystalline regions B) Polymers with no distinct structural features C) Polymers that are fully crystalline D) Polymers with irregular chain packing
A) It determines the crystallinity of the polymer B) It indicates the tacticity of the polymer C) It controls the polymerization rate D) It refers to the number of monomer units in a polymer chain
A) They strengthen the polymer matrix B) They enhance the thermal stability of the polymer C) They control the molecular weight of the polymer D) They improve flexibility and workability of the polymer
A) Block copolymer B) Copolymer C) Composite polymer D) Homopolymer
A) Sodium polyacrylate B) Polyethylene terephthalate C) Polypropylene D) Polystyrene
A) Polymerization B) Crosslinking C) Polymer degradation D) Functionalization
A) Block copolymer B) Composite polymer C) Copolymer D) Homopolymer
A) Enhances transparency B) Decreases flexibility and toughness C) Generally increases strength and viscosity D) Reduces thermal stability
A) Polytetrafluoroethylene (PTFE) B) Polyethylene C) Polyacrylonitrile (PAN) D) Polycarbonate
A) It determines the tacticity of the polymer B) It influences the physical and mechanical properties of the polymer C) It is a measure of the polymer's branching D) It affects the glass transition temperature of the polymer
A) Depolymerization B) Polymerization C) Crosslinking D) Polymer degradation
A) Polycondensation B) Copolymerization C) Crosslinking D) Addition polymerization
A) It increases the tensile strength of polymers B) It can cause degradation and discoloration of polymers C) It promotes crosslinking in polymers D) It enhances the thermal stability of polymers
A) The temperature at which a polymer changes from a hard and brittle state to a rubbery state B) The temperature at which a polymer degrades C) The temperature at which a polymer melts D) The temperature at which a polymer combusts |