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Chemistry

Chapter 1 - Transition Elements and Iron Metallurgy

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Quiz

Lesson 2: Commercial Batteries, Fuel Cells and Metal Corrosion — Picture questions (exam style)

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1.
A dry cell delivers 1 A for 2 h. What mass of Zn is used at the anode? (Zn = 65, F = 96 500 C)
A dry cell delivers 1 A for 2 h. What mass of Zn is used at the anode? (Zn = 65, F = 96 500 C)
0.0404 g
6.74×10−4 g
4.85 g
2.42 g
2.
A lead–acid cell delivers 2 A for 5 h. What mass of Pb is used at the anode? (Pb = 207, F = 96 500 C)
A lead–acid cell delivers 2 A for 5 h. What mass of Pb is used at the anode? (Pb = 207, F = 96 500 C)
0.644 g
38.6 g
77.2 g
0.0107 g
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