Universal Indicator
by GIPhotoStock
Title
Universal Indicator
Artist
GIPhotoStock
Medium
Photograph - Photograph
Description
Universal indicator. Universal indicator was added to three test tubes containing solutions with varying pH values, left to right: acidic (0.01M hydrochloric acid), pH=2; neutral (buffer solution), pH=7; alkaline (0.01M sodium hydroxide), pH=12. Universal indicator changes its color depending on the pH of the solution.
Uploaded
September 26th, 2014
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