Polymers
GATE Chemistry: Covers synthetic polymers, natural polymers, biopolymers, condensation and addition polymerization, and polymer properties and applications.
Questions
Question 1 Multiple Choice (Single Answer)
Which of the following pairs represents the natural condensation polymers?
- Nylon-6 and proteins
- Nylon-6 and cellulose
- Proteins and natural rubber
- Cellulose and natural rubber
- Cellulose and proteins
Question 2 Multiple Choice (Single Answer)
Which of the following statements is not correct?
- Ziegler-Natta catalyst is used for olefin polymerization.
- Perbunan is an example of copolymer.
- Azepan-2-one is monomer of nylon-6.
- Plexiglass is commercial name of polyethyl acrylate.
- Thermocole is a chain growth polymer.
Question 3 Multiple Choice (Single Answer)
Which among the following sets represents condensation polymers?
- Glyptal, PVC, orlon, bakelite
- Glyptal, PVC, orlon, melamine
- Glyptal, melamine, orlon, dacron
- Glyptal, dacron, melamine, bakelite
- Dacron, teflon, bakelite, styrene
Question 4 Multiple Choice (Single Answer)
Which of the following ‘polymer - monomer’ combination is not correct?
- Synthetic rubber - Styrene and butadiene
- Caoutchouc - isoprene
- Bakelite - Phenol and formaldehyde
- Amylum - Glucose
- Inulin - Arabinose
Question 5 Multiple Choice (Single Answer)
Which one of the following statements is correct?
- Cellophane is a synthetic polymer.
- Dacron is a condensation polymer of ethylene glycol and phthalic acid.
- Synthetic rubber is condensation polymer of chloroprene.
- Caoutchouc has cis configuration at every double bond.
- Nylon-66 prepared by addition polymerization.