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Vinegar With Indicator
Andrew Lambert Photography
Photograph - Photograph
Vinegar with universal indicator added. Universal indicator changes colour depending on whether it has been added to an acid or an alkali. Vinegar mainly comprises a solution of ethanoic (acetic) acid. In acidic solutions, as seen here, universal indicator turns a colour between red (strong acid) and pale orange (weak acid). In alkaline solutions, it turns between green (weak alkali) and purple (strong alkali).
May 2nd, 2013
Viewed 4 Times - Last Visitor from Algeria on 08/10/2014 at 1:12 PM
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