Oquizy

What is a polymer?

A large molecule made from repeating monomer units A molecule with a carboxylic acid group A substance made by cracking long molecules A type of hydrocarbon with a double bond

Poly(ethene) is formed by:

Addition polymerisation Condensation polymerisation Cracking Substitution

Which of the following is made using poly(ethene)?

Cling film Glass bottle Nylon thread Wool blanket

Which is a economic reason to recycle plastics?

Plastic waste takes up space in landfills Plastics are made from renewable resources Plastics are toxic to animals Recycling reduces need for crude oil

A plastic sample is depolymerised using an acid catalyst and forms monomers again. What type of recycling has occurred?

Chemical Incineration Mechanical Physical

Which characteristic feature confirms the presence of an ester linkage?

A C=C double bond A methyl side group A nitrogen atom in the backbone A –COO– group connecting two chains

What type of reaction is used to depolymerise a polyester using an acid catalyst?

Addition Condensation Hydrolysis Neutralisation

Quiz: Chemistry - Organic Chemistry - Polymers