Bonds and Mixing Question
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Bradley mixed together coarse sand, salt, and iron filings in 150 mL of water. Which series of steps will most easily separate out each of the substances?
- Heat the solution and filter out the sand and salt.
- Filter out the sand and iron filings. Attract the iron with a magnet. Heat and evaporate off the water from the salt.
- Attract the iron filings with a magnet. Filter out the salt. Evaporate the water from the coarse sand.
- Filter out the salt and attract the iron filings with a magnet.
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