Polymers,alkanes and alkenes 0.0 / 5 ? SciencePolymersGCSENone Created by: yasmin_leighCreated on: 10-03-16 17:48 What does biodegradeable mean? It can be broken down by micro-organisms. 1 of 6 What are polymers? Polymers are large molecules formed from many identical smaller molecules (monomers). 2 of 6 What are polymers used for? Wound dressings,hydrojels,waterproof plastics and many more. 3 of 6 How are polymers usually disposed? Polymers are usually disposed of by burying them in landfill sites or burning them in incinerators. 4 of 6 What are the useful properties of plastics? *light *strong *easy to shape *non-toxic *cheap 5 of 6 Why are plastic products -polyethene- bad for the environment? *Non-biodergradeable *They fill land fills up which creates eyesores *They take hundreds of years to decompose *Litter *Wastes oil *Hard to recycle 6 of 6
Comments
No comments have yet been made