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Credits, from left: CCAlive!, CCAlive!, CCAlive!, CCAlive! | |
Safety:Wear goggles and gloves. |
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Equipment:Small beaker or glass bottle; |
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Materials:hydrogen peroxide and sulfuric acid solution; iodide ion, thiosulfate ion, and starch solution; |
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Procedure:First put some of the solution of iodide ion, thiosulfate ion, and starch in a small beaker or glass bottle and then add the solution of hydrogen peroxide and sulfuric acid. |
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Notes: |
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Disposal: |
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Difficulty: | Some laboratory experience required |
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Preparation Time: | minutes | Demonstration Time: | 1 minutes |
Availability of Materials: | Not specified | Cost of materials: | $ |
Last Updated: | Tue 21 Jun 2011 12:49:01 EDT | Viewed: | 67173 times viewed |
Source: | University of Wisconsin press, Shakhashiri; UW-madison chemistry department; JCE CC Alive!, Shakhashiri, B.Z. Chemical Demonstrations: A Handbook for Teachers of Chemistry |