an iron nail is placed in salt water and tap water which nail rust fast
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Explanation:
Answer 1: Iron in fresh water will actually rust faster than in salt water. After a short time, I would expect the iron in the fresh water has a thin film after initial rust forms and protects it from any further rusting
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Answer + Explanation:
Fresh water will rust faster until it has created the protective film, whereas salty water can rust until no more iron is left.
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