Qualitative Sorting of 11 Unknowns (Handout 3-6)

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Across
  1. 2. ___ solutions have a pH greater than 7.
  2. 5. Common gases evolved during chemical reaction include hydrogen, ___, and oxygen.
  3. 6. ___ analysis refers to determining how much of a substance is present in a sample.
  4. 7. Capable of being dissolved in a liquid.
  5. 9. The solution component present in the lower amount.
  6. 10. The processes of boiling and then condensing water to remove impurities and minerals.
  7. 12. A solid that forms from a liquid solution during a chemical reaction.
  8. 15. ___ solutions have a pH less than 7.
  9. 16. A substance that changes color based on the pH level of a solution.
  10. 17. An indicator that causes a basic substance or solution to turn pink.
  11. 19. A homogeneous mixture of two or more substances where one substance is dissolved in another.
Down
  1. 1. Incapable of being dissolved in a liquid.
  2. 3. A ___ is a process in which substances interact to form new substances; observable through changes like color, temperature, or gas formation.
  3. 4. ___ analysis refers to determining what substances are present in a sample.
  4. 8. The solution component present in the greatest amount.
  5. 11. Solutions that have a pH of 7.
  6. 13. A scale used to specify the acidity or basicity of a solution.
  7. 14. A solution containing iodine, alcohol and water that is used as a disinfectant and for chemical testing.
  8. 17. A laboratory tool used for transferring small amounts of liquid.
  9. 18. When talking about or describing chemical reactions, this refers to the formation of gas bubbles during the reaction.