Polymers Quick Quiz

Which of the following is a synthetic polymer?

• sand
• rubber
• concrete
• PVC

A polymer is formed when:

• monomers join together in chains.
• molecules break up into large atoms.
• single atoms join to make monomers.
• long chains break up to form molecules.

Vulcanisation is the process of adding cross-links to rubber. How does this process change the natural properties of the rubber?

• It makes the rubber softer but it is still easy to melt.
• It makes the rubber harder and easy to melt.
• It makes the rubber harder but it is still elastic.
• It makes the rubber more flexible and easier to melt

Which of these is NOT a property of many synthetic polymers?

• flexible
• waterproof
• lightweight
• conductors of electricity

Which of the following is NOT a natural polymer?

• DNA
• Proteins
• Steel
• Rubber