69.9 MB (5.4 MB compressed)
7876 x 3100 pixels
66.8 x 26.2 cm ⏐ 26.3 x 10.3 in (300dpi)
GIPHOTOSTOCK / SCIENCE PHOTO LIBRARY GIPHOTOSTOCK / SCIENCE PHOTO LIBRARY
Dehydration of copper sulphate. A test tube with copper sulphate pentahydrate (CuSO4 5H2O) is placed over a Bunsen burner flame. When heated, blue copper sulphate pentahydrate dehydrates (loses water) and turns into pale blue anhydrous copper sulphate (CuSO4). Water is released as a vapour.
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