A manual of chemistry, inorganic and organic : inorganic and organic, with an introduction to the study of chemistry / by Arthur P. Luff.

  • Luff, Arthur P. (Arthur Pearson), 1855-1938.
Date:
1892
Catalogue details

Licence: Public Domain Mark

Credit: A manual of chemistry, inorganic and organic : inorganic and organic, with an introduction to the study of chemistry / by Arthur P. Luff. Source: Wellcome Collection.

Provider: This material has been provided by Royal College of Physicians, London. The original may be consulted at Royal College of Physicians, London.

    98/558 (page 78)
    that, under certain conditions, it is capable of abstract- ing oxygen from a good many bodies containing that element; for instance, if hydrogen be passed over fragments of red-hot copper oxide, the oxygen is ab- stracted by the hydrogen to form water, the copper oxide being reduced to the metallic state ; thus : Test.—The best test for hydrogen is its specific gravity, there being no substance lighter than it. The combined facts of its being odourless and burning with an almost invisible flame, would constitute a fairly trustworthy test. 2CuO Copper Hydrogen, oxide. -f 2H.3O Water.