Self Inflate Ballon through Reaction involving Acids

The self inflate ballon attracts small kids' attention during K2M 2011
  1. Add 1 table spoon of baking powder to a ballon with a funnel.
  2. Fill a bottle with halfull of vinegar.
  3. Attach the ballon with the baking powder to the bottle.
  4. Quickly por baking powder from ballon the bottle.

When the baking powder(sodium bicarbonate) is mixed with vinegar(ethanoic acid), the reaction produce carbon dioxide, water and salt.  The production of carbon dioxide gas inflate the ballon

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