Separating mixtures

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Across
  1. 5. To separate a bigger substance from a smaller substance
  2. 6. Putting liquids in each other and they slowly separate and the less dense liquid gets separated
Down
  1. 1. A liquid becoming a gas when heated
  2. 2. A gas becoming a liquid when it is cooled
  3. 3. To separate substances using magnetic forces
  4. 4. Putting a liquid through a machine to remove unwanted substances