Polymers IGCSE

What is a polymer?

• a very light material that is highly flammable

• a fossil fuel

• a large molecule made from many monomers joined together

• a molecule made up of only polar bonds

What type of a bond keeps polymer chains together?

• James Bond

• Polar bond

• Ionic bond

• Covalent bond

What is Polyethene made from?

• Ethene

• Ethane

• Propane

• Propene

Which one of these is a polymer?

• carbon dioxide

• methane

• polyvinylchloride

• deoxyribonucleic acid

What is addition polymerization?

• When monomers are added together to form a polymer

• When polymers link with eachother to form megapolymers

• When a polymer is heated and bonds between monomers break

• When a polymer does things polymers do

If some of the atoms of the monomers are released into small molecules (such as H2O), we call this _____.

• addition polymerization
• terminal polymerization
• initiation polymerization
• condensation polymerization

If some of the atoms of the monomers are released into small molecules (such as H2O), we call this _____.

• addition polymerization
• terminal polymerization
• initiation polymerization
• condensation polymerization

A chain of repeating units (called monomers)

• monomer

• dimer

• replicate

• polymer

a polymer that is usually made by living things

• nature polymer

• natural polymer

• protein

• synthetic polymer

What's the correct definition of these keywords?

polyamide

• An addition polymer formed from a dicarboxylic acid and a diol

• An condensation polymer formed from a dicarboxylic acid and a diol

• An condensation polymer formed from a dicarboxylic acid and a diamine