Question
Which of these is an application of electrolytic separation?
obtaining metals from metal ores
covering a corrosion-prone metal, like iron, with a thin layer of chromium
running voltaic cells in reverse to charge them
covering plastics with a thin layer of metal to produce inexpensive metal-looking utensils
obtaining metals from metal ores
covering a corrosion-prone metal, like iron, with a thin layer of chromium
running voltaic cells in reverse to charge them
covering plastics with a thin layer of metal to produce inexpensive metal-looking utensils
Answers
I think A is the best choice but sometimes it isn't easy to separate metals this way.
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