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