Petrochemical and Polymer (ver. 2)

Most objects made from synthetic polymers last for many years. Why do these polymers last for so long?

• A

• B

• C

• D

The fractional distillation of petroleum is shown. Which fraction is the least volatile?

• bitumen

• diesel oil

• gasoline fraction

• refinery gas

Which process is used to make an alkene from a long-chain alkane?

• combustion

• condensation

• cracking

• polymerisation

Which statement about polymers is correct?

• 
• Nylon is a polyester.

• Propane can be polymerised by addition polymerisation.

• The linkage in Terylene contains a carbon-carbon double bond.

Which naturally occuring polymers are found in foods?

• complex carbohydrates

• nylon

• salts

• proteins

Which substances are synthetic polymers?

• Terylene

• nylon

• protein

• polyethene

The structure of a polymer is shown. Which type of polymer is shown and by which process is it formed?

• carbohydrate - addition polymerisation

• carbohydrate - condensation polymerisation

• polyester - addition polymerisation

• polyester - condensation polymerisation

But-1-ene has the structure CH₃CH₂CH=CH₂. What is the structure of poly(but-1-ene)?

• 
• 
• 
• 

A section of a polymer is shown. How many different types of monomer units formed this section of polymer?

• 1

• 2

• 3

• 4

Which statement about polymers is correct?

• Polymers are formed by breaking down monomers.

• Polymers can be natural or synthetic.

• Polymers contain atoms of only one element.

• Polymers have a giant ionic structure.