CH-653
Rusting
Chemistry · Secondary 3 · Hard · Rusting
Two identical iron nails are set up in the following way and left for one week:
• Setup X: nail in pure water.
• Setup Y: nail in concentrated salt solution.
Both beakers are open to air. Which observation is MOST likely after one week?
• Setup X: nail in pure water.
• Setup Y: nail in concentrated salt solution.
Both beakers are open to air. Which observation is MOST likely after one week?
- Only the nail in pure water rusts.
- Only the nail in salt solution rusts.
- Both nails rust, but the nail in salt solution rusts more.
- Neither nail rusts because salt is needed for rusting to occur.
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