| 单词 | oxygen acid |
| 例句 | Write the names and formulas of the oxides and oxygen acids of selenium and tellurium. An Elementary Study of Chemistry It is a black solid melting at 570 degrees; it is a metallic looking element, will conduct electricity somewhat, oxidizes in air to form an acidic oxide, and forms strong oxygen acids. The Black Star Passes It is dissolved by the oxygen acids with the disengagement of oxygen gas. A System of Instruction in the Practical Use of the Blowpipe Being A Graduated Course Of Analysis For The Use Of Students And All Those Engaged In The Examination Of Metallic Combinations In later years Berzelius renounced the ``oxygen acid'' theory, but not before Davy, and, almost simultaneously, Dulong, had submitted that hydrogen and not oxygen was the acidifying principle. The Project Gutenberg Encyclopedia Volume 1 of 28 No oxides of bromine are surely known, and bromine does not form so many oxygen acids as chlorine does. An Elementary Study of Chemistry They also form oxides and oxygen acids which resemble the corresponding sulphur compounds. An Elementary Study of Chemistry |
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