Science

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Across
  1. 3. how something spreads.
  2. 5. changing into a gas.
  3. 7. To remove unwanted materials.
  4. 8. the action of making more pure.
  5. 9. Solid turns directly into gas.
  6. 12. a way for separation of a mixture.
  7. 13. having asserts in excess of liabilities.
Down
  1. 1. to make something became hard or solid.
  2. 2. Solid turning into a liquid.
  3. 4. the smaller part in the solution.
  4. 6. water which collects as droplets.
  5. 10. mixture composed of only one phase.
  6. 11. Liquid turning to a solid form.