Polymers

Two large molecules, P and Q, both contain the same linkage.

P occurs naturally but Q does not.

Which row could be P and Q?

• A

• B

• C

• D

Poly(lactic) acid is a polymer used to make biodegradable cups.

The partial structure of poly(lactic) acid is shown.

Which statements apply to poly(lactic) acid?

1 It is made by addition polymerisation.

2 It is made by condensation polymerisation.

3 It is a polyester.

4 The monomer used to make it is ethene.

• 1 and 3

• 1 and 4

• 2 and 3

• 2 and 4

Which statement about polymers is correct?

• Nylon and Terylene are produced by addition polymerisation.

• Nylon and Terylene both contain the amide linkage.

• Simple sugars can be produced by hydrolysing proteins.

• Starch contains the elements carbon, hydrogen and oxygen.

The diagram shows a section of a polymer.

Which alkene is used to make this polymer?

• CH₃CH=CH₂

• CH₃CH₂CH=CH₂

• CH₃CH₂CH=CHCH₃

• CH₃CH=CHCH₃

The diagram shows the structure of poly(dichloroethene).

Which statement about this polymer is correct?

• 
• 
• 
• 

Polymer Z has the structure shown.

These four terms can be used to describe polymers.

1 addition polymer

2 condensation polymer

3 polyamide

4 polyester

Which two terms can be applied to polymer Z?

• 1 and 3

• 1 and 4

• 2 and 3

• 2 and 4

A carbohydrate such as starch can be represented as shown.

What is X?

• carbon

• hydrogen

• nitrogen

• oxygen

The diagram shows the structure of a monomer used to make a polymer.

What is the structure of the polymer?

• 
• 
• 
• 

Which of these polymers is a protein?

• (C₂H₃Cl)_n

• (C₅H₈O₂)_n

• (C₆H₁₀O₅)_n

• (C₂H₃NO)_n

The diagram shows the partial structure of a polymer.

Which pair of reagents could have been used to form this polymer?

• 
• 
• 
•