5th Grade-Ch. 12 Lesson 3 How are Chemical Properties used

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5th Grade-Ch. 12 Lesson 3 How are Chemical Properties used

  1. 1. Activity-Identifying Substances using universal indicator paper 6. Tap Water 5. Liquid soap 7. Hydrochloric acid 4. Lavender Pine Sol 3. Diet Coke 2. Apple juice 1. Vinegar Color Substance
  2. 2. Lesson 3 How are chemical properties used?
  3. 3. chemical properties can be used to: <ul><li>separate mixtures & substances </li></ul><ul><li>separate elements from solutions </li></ul>
  4. 4. Limestone can be separated from fossils by using vinegar.
  5. 5. Vinegar dissolves only the limestone, not the fossil.
  6. 6. ore <ul><li>rock that include metals combined with other substances </li></ul>
  7. 7. ex. iron ore- when heated produces pure iron & CO 2
  8. 8. 2FeO + C  2Fe + CO 2 <ul><li>iron oxide + carbon  iron + carbon dioxide </li></ul>replacement reaction What kind of reaction is this?
  9. 9. acids & bases
  10. 10. acids & bases <ul><li>have chemical properties to help identify them </li></ul><ul><li>strong ones react more easily than weak ones </li></ul><ul><li>chemicals react in universal indicator paper </li></ul>
  11. 12. flame test <ul><li>material heated to high temp. in flame </li></ul><ul><li>different substances cause different color flames </li></ul>lithium copper

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