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