Physical and chemical properties

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Across
  1. 4. how something feels
  2. 7. how hard some thing is
  3. 9. how something reacts with water
  4. 10. how well something reacts or combines
Down
  1. 1. how metal deteriorates
  2. 2. how shiny something is
  3. 3. how well something burns
  4. 5. how silver looses luster
  5. 6. how something smells
  6. 8. how well something dissolves in water