Which of the following forms of hazardous waste is incorrectly paired with its source? a) pcbs - composting b) nerve gas - old military installations c) mercury - metal refining d) cfcs - air conditioners and refrigerators e) dioxins - combustion of chlorine compounds

3.09 lab: reaction of metals 1 which combinations of substances resulted in a chemical change? for each metal that participated in a chemical change, write the type of metal it is, based on your examination of the periodic table. were there any metallic compounds that did not react with either the acid or the base? write the type of metal, based on your examination of the periodic table. make a general statement about the reactivity of the metals in this experiment.