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Chemistry

Chapter 1 - Transition Elements and Iron Metallurgy

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Chapter 4 - Electrochemistry

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Chapter 5 - Organic Chemistry

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Lesson 2 Quiz: Commercial Batteries, Fuel Cells and Metal Corrosion

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1.
Why is galvanizing iron with zinc superior to coating iron with tin in atmospheric corrosion protection?
Tin is toxic to atmospheric moisture
Zinc is a precious metal that resists all chemical reactions
Tin oxidizes faster than zinc forming volatile oxides
Zinc is more active than iron, so it acts as a sacrificial anode even if scratched