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URL (link address) for this media:
http://www.dvaction.org/dvaction/movies/progressive/euc-UI-12c.mov

This is a close look at some reactions. (Number-chemical correspondence is printed on the screen.) The reactants are: 1. H2SO4 2. H3PO4 3. NaOH 4. Na2CO3 5. AgNO3 6. KI 7. HNO3