metal identification

[clunker5]

identify metals- penny [in 50 ml water]=+, metal = -, voltmeter. gold = ~ 170 mv or less , aluminum foil = ~400 , silver = ~300 , zinc = ~600 , lead = ~500

 

[crashbandicoot]

identify metals- penny [in 50 ml water]=+, metal = -, voltmeter. gold = ~ 170 mv or less , aluminum foil = ~400 , silver = ~300 , zinc = ~600 , lead = ~500

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