Polymer Chemistry

Which of the following polymer type is not classified on the basis of its application and properties?

• ) rubbers

• b) plastics

• c) fibres

• d) synthetic

What are some of the polymers that you encounter every day? Describe their physical properties.

Tags

NGSS.HS-PS2-6

Which of the following is a thermosetting polymer?

• a) polystyrene

• b) polyolefins

• c) nylons

• d) phenolic resins

1. The characteristics of condensation polymerization are given below-

I. only −C−C− linkages present in the polymer structure

II. use of bifunctional or polyfunctional monomers

III. elimination of a small byproduct molecule

Which of the following is true?

• a) I, II, III

• b) II and III

• c) I and II

• d) Only III

Which among the following polymers have lowest solubillty?

• a) polyethylene

• b) polystyrene

• c) nylon 6

• d) epoxy resin

Tags

NGSS.HS-PS2-6

Which of the following category does cellulose nitrate fall into?

• a) natural

• b) synthetic

• c) semi-synthetic

• d) none of the mentioned

1. Which of the following kind of polymers are known for their high crystallinity?

• a) isotactic

• b) syndiotactic

• c) atactic

• d) none of the mentioned

1. The polymer in which steric placements of the substituent are arranged in such a way to give alternate d and l configurations, is known as _________________

• a) isotactic polymer

• b) atactic polymer

• c) syndio-tactic polymer

• d) none of the mentioned

The monomer used to form the polymer shown below is …

• CH₂CHOH.

• CH₃CH₂OH.

• CHOHCH₂CHOHCH₂.

• CHOHCHOH.

Tags

NGSS.HS-LS1-6

Two types of polymer are shown below. Which of the following statements concerning these polymers is correct?

• X is thermoplastic whereas Y is thermosetting

• X is thermosetting whereas Y is thermoplastic

• Both are thermosetting

• Both are thermoplastic