| 单词 | perchloric acid |
| 例句 | The perchloric acid inside the container that exploded, which is used to make explosives as well as a variety of food and drug products, dissipated in the air as it burned off, Thompson said. Railyard explosion in Nebraska isn’t expected to create any lingering problems, authorities say 2023-09-15T04:00:00Z One of the containers involved was carrying perchloric acid, which is used in explosives as well as a variety of food and drug products, Tysver said. Explosion at Nebraska railyard prompts evacuations because of heavy toxic smoke 2023-09-14T04:00:00Z Metallic powders such as aluminium often serve as the fuel, and ammonium perchlorate, which is the salt of perchloric acid and ammonia, is the most common oxidiser. Explainer: What is solid-fuel technology, and why is North Korea eager to develop it? 2023-04-14T04:00:00Z It is possible to prepare them from reactions of bases with perchloric acid and, commercially, by the electrolysis of hot solutions of their chlorides. Chemistry 2019-02-14T00:00:00Z Further concentration leads to decomposition, with evolution of oxygen and formation of perchloric acid. Encyclopaedia Britannica, 11th Edition, Volume 6, Slice 3 "Chitral" to "Cincinnati" If all these strong acids are completely ionized in water, why does the column indicate they vary in strength, with nitric acid being the weakest and perchloric acid the strongest? Chemistry 2019-02-14T00:00:00Z Dilute aqueous solutions of perchloric acid are quite stable thermally, but concentrations above 60% are unstable and dangerous. Chemistry 2019-02-14T00:00:00Z However, its reactions as an oxidizing agent are slow when perchloric acid is cold and dilute. Chemistry 2019-02-14T00:00:00Z |
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