Chemistry

Polymers and Plastics

1,228 Questions

Polymers and plastics questions explore the properties, synthesis, and applications of various synthetic and natural polymers. Key topics include biodegradable plastics, vulcanization, and polymer nanocomposites. These concepts are frequently tested in science and engineering competitive exams.

Biodegradable plasticsPolymer nanocompositesVulcanization of rubberPolymer molecular weightAsphalt binders

Polymers and Plastics Questions

Multiple choice

Polythene is obtained by polymerization of :

  1. methylene monomers

  2. phenol & formaldehyde monomers

  3. propylene monomers

  4. ethylene monomers
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

The are made up of polymer of Ethyne or Ethylene and so called polythene

Multiple choice

Which of the following statements is/are false? a. Polyester is a thermoplastic polymer. b. Polycot is a mixture of polyester and wool. c. A synthetic fibre is a polymer made from the molecules of a monomer or two monomers joined together to form very long chains.

  1. Only a

  2. Only a and b

  3. Only b

  4. Only b and c

  5. Only c
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

Statement 'b' is a false statement. Thus, it is a correct option. Polycot is a mixture of polyester and cotton.

Multiple choice

Polymeric material is

  1. arabinose

  2. cellulose

  3. xylose

  4. galactose
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

Polymeric material is cellulose