Class 12 Chemistry (Part Ii) Chapter 15 Polymers Quiz 35 (13 MCQs)

Quiz Instructions

Select an option to see the correct answer instantly.

1. Suggest why polyesters degrade faster when buried in landfill than addition polymers

Correct Answer: B) Ester link can be hydrolysed.

2. Terylene is made by reacting benzene-1, 4-dicarboxylic acid and ethane-1, 2-diol.Terylene is

Correct Answer: C) A polyester.

3. CHECK ALL THAT APPLY!The following macromolecules contain Phosphorus:

Correct Answer: D) Nucleic Acids.

4. Thermosets cannot be remolded a second time

Correct Answer: A) True.

5. What are the products when a hydrocarbon reacts with oxygen gas?

Correct Answer: C) Carbon dioxide and water vapor.

6. The break up of polymer molecules into their monomer is called

Correct Answer: B) Depolymerisation.

7. What are the building blocks of polymers called?

Correct Answer: D) Monomers.

8. What best describes thermoplastics?

Correct Answer: C) Thermoplastics can be heated and shaped many times.

9. True or False:Polysaccharides are naturally polymerizered sugars.

Correct Answer: A) True.

10. The following are the properties of crystalline polymers EXCEPT?

Correct Answer: A) Transparent.

11. What is the main use of Polyurethane?

Correct Answer: C) Forming the basis of many paints and varnishes.

12. The reaction where polymers are created are called ..... reaction.

Correct Answer: B) Polymerization.

13. ESC is accelerated due to

Correct Answer: D) All the above.