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Grade 10 - Computer Environment

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schoolstudycanada's version from 2017-06-26 21:08

Section

Question Answer
What does the circuit board contain?- Silver
- Copper
What does the CPU contain?Gold
How to extract gold in CPU- Mix of Hydrochloric and Nitric acid used to separate gold from ceramics
- Leaves gold dust
How to extract metals from other computer parts?- Metal is taken and melted into thin tiles
- Each plate is put into a bath which uses contrasting electrical charges to attract specific metals
(source: https://www.youtube.com/watch?v=zU62hh3DBfg)
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