Synthetic Polymers (whole chapter)

What is a polymer?

• A solid metal

• A large molecule made of repeating units

• A small molecule

• A type of gas

Which process is used to create poly(ethene)?

• Condensation polymerisation

• Addition polymerisation

• Hydrolysis

• Fermentation

What is the main problem with the disposal of addition polymers?

• They dissolve in water

• They produce toxic gases when burned

• They are biodegradable

• They are too cheap to recycle

What type of polymer is poly(propene)?

• Natural polymer

• Biopolyester

• Condensation polymer

• Addition polymer

What is the repeat unit of poly(chloroethene)?

• C2H2

• C2H5

• C2H3Cl

• C2H4

Which of the following is a use of poly(ethene)?

• Making electrical wires

• Making plastic bags

• Making metal pipes

• Making glass bottles

What is the main difference between LDPE and HDPE?

• Their chemical composition

• Their melting point

• Their density and strength

• Their color

What is produced during condensation polymerisation?

• Oxygen

• Water

• Hydrogen gas

• Carbon dioxide

What is a biopolyester?

• A type of plastic

• A natural polymer

• A biodegradable polyester

• A type of synthetic polymer

What is the formula for ethene?

• C3H6

• C4H8

• C2H4

• C2H2