Polymers - Online Test
Q1. Nylon – 2 – Nylon – 6 is
Answer : Option C
Explaination / Solution:
They both are biodegradable polymer.
Q2. Some polymers are called thermoplastic polymers because
Answer : Option C
Explaination / Solution:
Thermoplastic polymer get soften on heating and gets harden on cooling.
Q3.
In the following reaction, the polymer formed is ?
Answer : Option B
Explaination / Solution:
These monomers form PHBV.
Q4. Intermolecular forces of thermoplastic polymers are
Answer : Option B
Explaination / Solution:
Intermolecular forces are intermediate between elastomers and fibres.
Q5.
The below molecule is called
Answer : Option A
Explaination / Solution:
This polymer is polyvinylchloride.
Q6. PHBV is developed because :
Answer : Option D
Explaination / Solution:
PHBV is used to reduce accumulation of the synthetic solid polymer waste.
Q7. Hydrocarbons are prepared from Grignard reagent by
Answer : Option B
Explaination / Solution:
This is nylon 6,6 formed by polymerization of adipic acid and hexamethylenediamine.
Q8. The correct name of the polymer below is:
Answer : Option B
Explaination / Solution:
This is Bakelite.
Q9. Which of the following monomers form biodegradable polymers?
Answer : Option D
Explaination / Solution:
Glycine + amino caproic acid= nylon 2-nylon 6 3 – hydroxybutanoic acid + 3 – hydroxypentanoic acid = PHBV They are biodegradable.
Q10. Vulcanisation makes rubber
Answer : Option C
Explaination / Solution:
Vulcanization makes rubber more elastic and more stiff.
