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Chemistry

Chapter 1 - Transition Elements and Iron Metallurgy

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Chapter 5 - Organic Chemistry

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Quiz

Lesson 3: Electrolysis, Faraday’s Laws and Industrial Applications — Picture questions (exam style)

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1.
A surface of 100 cm2 is to be plated with Cu 5.00 μm thick (density 8.96 g cm−3) using 5 A. How long is needed?
A surface of 100 cm² is to be plated with Cu 5.00 μm thick (density 8.96 g cm⁻³) using 5 A. How long is needed?
2.27 min
9.08 min
4.54 min
272 min
2.
A surface of 200 cm2 is to be plated with Ag 20.0 μm thick (density 10.5 g cm−3) using 5 A. How long is needed?
A surface of 200 cm² is to be plated with Ag 20.0 μm thick (density 10.5 g cm⁻³) using 5 A. How long is needed?
25.0 min
751 min
21.8 min
12.5 min
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