Polymers

Q. What is the main advantage of using polymers in manufacturing?
  • A. High melting point
  • B. Lightweight
  • C. High electrical conductivity
  • D. Brittleness
Q. What is the main feature of addition polymerization?
  • A. Involves the loss of small molecules
  • B. Involves the addition of monomers without by-products
  • C. Requires a catalyst
  • D. Involves the formation of cross-linked structures
Q. What is the main feature of addition polymers?
  • A. They release small molecules during polymerization
  • B. They are formed from monomers with double bonds
  • C. They have a high degree of crystallinity
  • D. They are always biodegradable
Q. What is the main feature of condensation polymerization?
  • A. It produces small molecules as byproducts
  • B. It requires high temperatures
  • C. It involves ionic bonds
  • D. It is a reversible reaction
Q. What is the main feature of elastomers?
  • A. High tensile strength
  • B. Elasticity
  • C. Brittleness
  • D. Thermal stability
Q. What is the main monomer used to produce polyethylene?
  • A. Propylene
  • B. Ethylene
  • C. Butylene
  • D. Styrene
Q. What is the main use of polycarbonate?
  • A. Insulation
  • B. Optical lenses
  • C. Textiles
  • D. Adhesives
Q. What is the main use of polyvinyl chloride (PVC)?
  • A. Insulation
  • B. Pipes and fittings
  • C. Textiles
  • D. Adhesives
Q. What is the primary bond type in polymers?
  • A. Ionic bonds
  • B. Covalent bonds
  • C. Metallic bonds
  • D. Hydrogen bonds
Q. What is the primary monomer used in the production of polyethylene?
  • A. Propylene
  • B. Ethylene
  • C. Styrene
  • D. Vinyl chloride
Q. What is the primary monomer used to produce polystyrene?
  • A. Ethylene
  • B. Propylene
  • C. Styrene
  • D. Vinyl chloride
Q. What is the primary structure of a polymer determined by?
  • A. The arrangement of monomers
  • B. The molecular weight
  • C. The type of bonds
  • D. The color of the polymer
Q. What is the primary type of bonding in polymers?
  • A. Ionic bonding
  • B. Covalent bonding
  • C. Metallic bonding
  • D. Hydrogen bonding
Q. What is the primary use of Teflon?
  • A. Insulation
  • B. Non-stick coatings
  • C. Adhesives
  • D. Textiles
Q. What is the process called when a polymer is formed by the addition of monomers without the loss of any small molecules?
  • A. Condensation polymerization
  • B. Addition polymerization
  • C. Cross-linking
  • D. Chain termination
Q. What is the process called when a polymer is formed by the elimination of a small molecule?
  • A. Addition polymerization
  • B. Condensation polymerization
  • C. Chain-growth polymerization
  • D. Step-growth polymerization
Q. What is the process of creating a polymer from monomers called?
  • A. Polymerization
  • B. Depolymerization
  • C. Sublimation
  • D. Condensation
Q. What is the repeating unit in polyethylene?
  • A. -CH2-CH2-
  • B. -C6H5-
  • C. -C3H6-
  • D. -C2H4-
Q. What type of polymer is formed by the polymerization of unsaturated monomers?
  • A. Addition polymer
  • B. Condensation polymer
  • C. Natural polymer
  • D. Biopolymer
Q. What type of polymer is formed from the polymerization of isoprene?
  • A. Natural rubber
  • B. Nylon
  • C. Polyethylene
  • D. Polystyrene
Q. What type of polymer is formed when amino acids link together?
  • A. Polysaccharides
  • B. Proteins
  • C. Nucleic acids
  • D. Lipids
Q. What type of polymerization involves the formation of a polymer by the reaction of monomers with unsaturated bonds?
  • A. Addition polymerization
  • B. Condensation polymerization
  • C. Chain-growth polymerization
  • D. Step-growth polymerization
Q. What type of polymerization involves the formation of a polymer by the reaction of monomers with functional groups?
  • A. Addition polymerization
  • B. Condensation polymerization
  • C. Chain-growth polymerization
  • D. Step-growth polymerization
Q. What type of polymerization involves the formation of a polymer from monomers with the elimination of a small molecule?
  • A. Addition polymerization
  • B. Condensation polymerization
  • C. Chain-growth polymerization
  • D. Step-growth polymerization
Q. What type of structure do cross-linked polymers have?
  • A. Linear
  • B. Branched
  • C. Network
  • D. Cyclic
Q. What type of structure do most synthetic polymers have?
  • A. Linear
  • B. Branched
  • C. Cross-linked
  • D. All of the above
Q. What type of structure do most thermoplastics have?
  • A. Cross-linked structure
  • B. Linear or branched structure
  • C. Crystalline structure
  • D. Amorphous structure
Q. Which of the following is a biodegradable polymer?
  • A. Polyethylene
  • B. Polylactic acid (PLA)
  • C. Polypropylene
  • D. Polystyrene
Q. Which of the following is a characteristic of thermoplastic polymers?
  • A. They can be reshaped upon heating
  • B. They are rigid and brittle
  • C. They do not melt
  • D. They are cross-linked
Q. Which of the following is a characteristic of thermosetting polymers?
  • A. They can be remolded upon heating
  • B. They are soluble in organic solvents
  • C. They do not melt upon heating
  • D. They are flexible
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