Lesson: Chapter 12 — Electrochemistry

What speeds rusting up or slows it down 4 of 4 Reset answers

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Question 4

A nail is left for a day in each liquid. In which will it rust least?

A Sea water B Tap water C Dilute sodium hydroxide D Vinegar and water

The right answer is the one marked above.

Dilute sodium hydroxide. Salt and acid speed rusting; a base slows it.

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