Change of State

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Across
  1. 4. Liquid to Gas on heating
  2. 6. Liquid to Gas at a temperature below boiling point
  3. 7. Solid to Gas
Down
  1. 1. Liquid to Solid by release of heat energy
  2. 2. Solid to Liquid on heating
  3. 3. Gas to Liquid on Cooling
  4. 5. Gas to Solid