Q. Which of the following is a common use of polyethylene?
-
A.
Insulation for wires
-
B.
Packaging materials
-
C.
Automobile parts
-
D.
Textiles
Solution
Polyethylene is widely used in packaging materials due to its flexibility and durability.
Correct Answer: B — Packaging materials
Learn More →
Q. Which of the following is a common use of polyvinyl chloride (PVC)?
-
A.
Food packaging
-
B.
Electrical insulation
-
C.
Clothing
-
D.
Automobile tires
Solution
Polyvinyl chloride (PVC) is commonly used in electrical insulation and construction materials.
Correct Answer: B — Electrical insulation
Learn More →
Q. Which of the following is a natural polymer?
-
A.
Nylon
-
B.
Cellulose
-
C.
Polystyrene
-
D.
Polyethylene
Solution
Cellulose is a natural polymer found in the cell walls of plants.
Correct Answer: B — Cellulose
Learn More →
Q. Which of the following is a property of elastomers?
-
A.
Brittle
-
B.
Rigid
-
C.
Elastic
-
D.
Insoluble
Solution
Elastomers are known for their elastic properties, allowing them to stretch and return to their original shape.
Correct Answer: C — Elastic
Learn More →
Q. Which of the following is an example of a copolymer?
-
A.
Polyethylene
-
B.
Nylon-6,6
-
C.
Polystyrene
-
D.
Polyvinyl chloride
Solution
Nylon-6,6 is a copolymer made from two different monomers: hexamethylenediamine and adipic acid.
Correct Answer: B — Nylon-6,6
Learn More →
Q. Which of the following is an example of a synthetic polymer?
-
A.
Rubber
-
B.
Silk
-
C.
Polyvinyl chloride (PVC)
-
D.
Starch
Solution
Polyvinyl chloride (PVC) is a synthetic polymer widely used in construction and plumbing.
Correct Answer: C — Polyvinyl chloride (PVC)
Learn More →
Q. Which of the following is NOT a property of elastomers?
-
A.
High elasticity
-
B.
Low tensile strength
-
C.
Good thermal stability
-
D.
Ability to return to original shape
Solution
Elastomers typically do not have good thermal stability; they are more flexible and can return to their original shape after deformation.
Correct Answer: C — Good thermal stability
Learn More →
Q. Which of the following is NOT a property of polymers?
-
A.
High strength
-
B.
Low density
-
C.
Brittleness
-
D.
Corrosion resistance
Solution
Brittleness is generally not a property of polymers; they are usually more flexible.
Correct Answer: C — Brittleness
Learn More →
Q. Which of the following polymers is known for its high tensile strength?
-
A.
Polyethylene
-
B.
Nylon
-
C.
Polystyrene
-
D.
Polyvinyl acetate
Solution
Nylon is known for its high tensile strength and is commonly used in textiles and ropes.
Correct Answer: B — Nylon
Learn More →
Q. Which of the following polymers is produced by condensation polymerization?
-
A.
Polyethylene
-
B.
Nylon-6,6
-
C.
Polystyrene
-
D.
Polyvinyl chloride
Solution
Nylon-6,6 is produced by condensation polymerization, involving the reaction of diamines and dicarboxylic acids.
Correct Answer: B — Nylon-6,6
Learn More →
Q. Which of the following polymers is used in the production of plastic bottles?
-
A.
Polyethylene terephthalate (PET)
-
B.
Polystyrene
-
C.
Polyvinyl chloride (PVC)
-
D.
Polypropylene
Solution
Polyethylene terephthalate (PET) is commonly used in the production of plastic bottles.
Correct Answer: A — Polyethylene terephthalate (PET)
Learn More →
Q. Which of the following polymers is used in the production of synthetic rubber?
-
A.
Polyvinyl chloride
-
B.
Polystyrene
-
C.
Polyisoprene
-
D.
Polyethylene
Solution
Polyisoprene is a key polymer used in the production of synthetic rubber.
Correct Answer: C — Polyisoprene
Learn More →
Q. Which of the following processes is used to produce synthetic rubber?
-
A.
Polymerization
-
B.
Condensation
-
C.
Hydrogenation
-
D.
Saponification
Solution
Synthetic rubber is produced through polymerization of monomers such as butadiene and styrene.
Correct Answer: A — Polymerization
Learn More →
Q. Which of the following properties is NOT typical of elastomers?
-
A.
High elasticity
-
B.
Low tensile strength
-
C.
Good resilience
-
D.
Brittleness
Solution
Brittleness is not a typical property of elastomers; they are known for their high elasticity and resilience.
Correct Answer: D — Brittleness
Learn More →
Q. Which polymer is commonly used in the production of plastic bottles?
-
A.
Polypropylene
-
B.
Polyethylene terephthalate
-
C.
Polystyrene
-
D.
Polyvinyl chloride
Solution
Polyethylene terephthalate (PET) is commonly used in the production of plastic bottles.
Correct Answer: B — Polyethylene terephthalate
Learn More →
Q. Which polymer is commonly used in the production of rubber?
-
A.
Polyethylene
-
B.
Natural rubber
-
C.
Polystyrene
-
D.
Polyvinyl chloride
Solution
Natural rubber is a polymer that is widely used in the production of rubber products.
Correct Answer: B — Natural rubber
Learn More →
Q. Which polymer is known for its high resistance to heat and chemicals?
-
A.
Polyethylene
-
B.
Teflon
-
C.
Nylon
-
D.
Acrylic
Solution
Teflon is known for its high resistance to heat and chemicals.
Correct Answer: B — Teflon
Learn More →
Q. Which property is NOT typical of elastomers?
-
A.
High elasticity
-
B.
Low tensile strength
-
C.
Good resilience
-
D.
Brittleness
Solution
Brittleness is not a typical property of elastomers; they are known for their high elasticity and resilience.
Correct Answer: D — Brittleness
Learn More →
Q. Which property of polymers is primarily affected by their molecular weight?
-
A.
Color
-
B.
Density
-
C.
Melting point
-
D.
Solubility
Solution
The melting point of polymers is primarily affected by their molecular weight; higher molecular weight generally leads to higher melting points.
Correct Answer: C — Melting point
Learn More →
Showing 31 to 49 of 49 (2 Pages)