ignore references to cost 1 no harmful / no or less pollution formed / no global warming / no climate change / no greenhouse gas accept produces (only) / steam accept does not produce sulfur dioxide / carbon dioxide / carbon monoxide / particles / smoke 1 [6] Q35. (a) (i) C2H4 1 (ii) poly(ethene) 1 (b) (i) is not biodegradable 1 (ii) not enough landfill sites / space accept landfill are filling up or plastics remain for years or plastics not broken down ignore cost / waste of resources / not biodegradable / wildlife 1 (iii) recycle / burn accept reduce the amount of packaging used ignore reused 1 [5] Q36. (a) (i) A and 3 accept A and 39 1
ignore references to cost 1 no harmful / no or less pollution formed / no global warming / no climate change / no greenhouse gas accept produces (only) / steam accept does not produce sulfur dioxide / carbon dioxide / carbon monoxide / particles / smoke 1 [6] Q35. (a) (i) C2H4 1 (ii) poly(ethene) 1 (b) (i) is not biodegradable 1 (ii) not enough landfill sites / space accept landfill are filling up or plastics remain for years or plastics not broken down ignore cost / waste of resources / not biodegradable / wildlife 1 (iii) recycle / burn accept reduce the amount of packaging used ignore reused 1 [5] Q36. (a) (i) A and 3 accept A and 39 1
organic_chemistry_mark_schemes.docx