Examples should be given. It escaped into the room. It was decanted off and discarded. Answers will vary. Go to Top Go to Teachers Index Answers to Implications and Applications 1.
Copper is taken through a series of chemical changes.
At the end, it is recovered as solid copper. The cycle is completed. This step helped provide evidence that the pinkish solid was copper even though it did not look like the copper seen in everyday situations. Old car bodies are crushed and recycled as well as copper from old motors. Mercury-containing products and silver from photography developing solutions are also recycled due to the costly nature of these metals.