This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: None, Subject name: Social & Preventive Medicine
[{'content': 'All of the following are incinerated except: \nSelect and explain. \nA. Mercury, B. Radiological waste, C. Halogen containing plastics, D. All', 'role': 'user'}, {'content': 'Answer: D \nExplanation: Ans. is \'a\' i.e. Mercury, \'b i.e. Radiological waste, \'c\' i.e. Halogen containing plastics "Waste types not to be incinerated are: (a) pressurized gas container; (b) large amount of reactive chemical wastes; (c) silver salts and photographic or radiographic wastes; (d) Halogenated plastics such as PVC; (e) waste with high mercury or cadmium content, such as broken thermometers, used batteries, and lead-lined wooden panels; and (1) sealed ampules or ampules containing heavy metals"', 'role': 'assistant'}]