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50.6 MB (768.1 KB compressed)
4205 x 4205 pixels
35.6 x 35.6 cm ⏐ 14.0 x 14.0 in (300dpi)
SCIENCE PHOTO LIBRARY SCIENCE PHOTO LIBRARY
Potassium burning in chlorine. A piece of potassium metal has been dropped into a flask containing chlorine gas. At the bottom of the flask is damp sand. This causes the sodium to ignite, burning with a reddish orange flame. The white smoke is mainly potassium chloride, with some potassium oxide from residual air in the flask.
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