72.4 MB (3.6 MB compressed)
8200 x 3086 pixels
69.3 x 26.2 cm ⏐ 27.3 x 10.3 in (300dpi)
GIPHOTOSTOCK / SCIENCE PHOTO LIBRARY GIPHOTOSTOCK / SCIENCE PHOTO LIBRARY
Adding sulfuric acid to water. Sulfuric acid (H2SO4), 0.1 M concentration, is poured into a beaker that contains water with few drops of universal indicator added. Initially water is green (neutral), then it progressively turns red as the solution becomes acidic throughout the volume.
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