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