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Type: Multiple-Choice
Category: Bonds and Mixing
Level: Grade 5
Score: 3
Author: kvmireles
Last Modified: a month ago

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Bonds and Mixing Question

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Grade 5 Bonds and Mixing

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?
  1. Heat the solution and filter out the sand and salt.
  2. Filter out the sand and iron filings. Attract the iron with a magnet. Heat and evaporate off the water from the salt.
  3. Attract the iron filings with a magnet. Filter out the salt. Evaporate the water from the coarse sand.
  4. Filter out the salt and attract the iron filings with a magnet.
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