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• Nitric acid
  ...c acid will form a protective layer on the surfaces of some metals, like [[iron]], [[cobalt]], [[chromium]], [[nickel]], and [[aluminium]], which prevents
  12 KB (1,686 words) - 11:53, 23 September 2023
• Oxide
  An '''oxide''' is a type of chemical which contains oxygen bonded to another element. T ...oxoacid anions. Some common examples are [[chromium trioxide|chromium(VI) oxide]], which forms [[chromic acid]] when dissolved, and [[chromate]]s with many
  3 KB (417 words) - 14:49, 9 July 2018
• Phosphoric acid
  | OtherNames = Orthophosphoric acid<br>Trihydroxylphosphine oxide ...other surfaces. The phosphoric acid changes the reddish-brown [[iron(III) oxide]] to [[ferric phosphate]], FePO₄:
  9 KB (1,223 words) - 00:12, 29 March 2020
• Proper disposal of chemicals
  ...ls is to convert solutions of their ions to the insoluble [[carbonate]] or oxide, often one of the most stable and nontoxic forms of these elements, prior t ...be reduced with [[iron]] to elemental copper, that can be reused, and the iron salts produced are less toxic.
  347 KB (46,057 words) - 20:09, 13 March 2024
• Paramagnetism
  ...agnetic materials include [[aluminium]], [[oxygen]], [[titanium]] and iron oxide (FeO).
  1,017 B (137 words) - 22:42, 2 February 2019
• Oxalic acid
  ...acid and heat the flask in a water bath. The reaction will yield nitrogen oxide fumes, so it's best performed outside or in a fume hood. Stop the heating a *Make pyrophoric [[iron]]
  8 KB (1,006 words) - 15:03, 18 November 2023
• Sulfur trioxide
  | OtherNames = Sulfur(VI) oxide<br>Sulfuric anhydride ...e, sulfur dioxide and sulfur trioxide. The same reaction also works with [[iron(III) sulfate]], at a much lower temperature, 480 °C, and produces mostly s
  11 KB (1,598 words) - 23:45, 25 August 2020
• Tellurium
  |oxidation states comment=a mildly acidic oxide ...nd [[potassium hydroxide]] solutions but not in water. It corrodes copper, iron, and stainless steel in its molten state. It reacts with oxygen in air, hyd
  10 KB (1,403 words) - 19:15, 30 August 2020
• Tetrahydrofuran
  ...de<br>Furanidine<br>Oxacyclopentane<br>Tetrahydro-furan<br>Tetra-methylene oxide<br>THF ...or salt of silver or mercury, such as [[silver acetate]] or [[mercury(II) oxide]] can also be used<ref>[https://books.google.ro/books?id=by05kNKm_xYC&pg=PA
  8 KB (1,134 words) - 13:57, 4 April 2020
• Sulfuric acid
  ...ss but often has a very light yellow color when slightly contaminated with iron or carbon from organic matter like dust. Even very small amounts of dissolv ...heating, and you'll have green murky acid contaminated with chromium (III) oxide and chromium sulfate) that will work as an azeotrope breaker. Add the H<sub
  27 KB (4,285 words) - 21:31, 9 September 2023
• Thermite
  ...action are the oxide of the metal powder, and pure metal produced from the oxide. A sufficiently reactive metallic reducer and metal oxide oxidizer are required for a thermite.
  4 KB (682 words) - 18:56, 2 January 2023
• Holmium
  |oxidation states comment=(a basic oxide) ...strongly. It is paramagnetic, enough to be visibly lifted by a [[Neodymium iron boron magnet|neodymium magnet]]. Its trivalent salts show dramatic color ch
  10 KB (1,332 words) - 21:44, 27 March 2019
• Tris(ethylenediamine)nickel perchlorate
  ...ylenediamine)nickel perchlorate can be prepared by dissolving [[nickel(II) oxide]], hydroxide, or carbonate in [[perchloric acid]] and then adding ethylened Residual perchlorates can be destroyed by adding metallic [[iron]] under UV light, in the absence of air.<ref>[https://books.google.ro/books
  5 KB (581 words) - 17:35, 26 September 2020
• Iron(II) sulfate
  | Name = Iron(II) sulfate | IUPACName = Iron(II) sulfate
  7 KB (960 words) - 14:51, 18 November 2023
• Iron(III) oxide
  | Name = Iron(III) oxide | IUPACName = Iron(III) oxide
  7 KB (977 words) - 15:31, 26 August 2023
• Hydrogen
  |oxidation states comment=(an amphoteric oxide) ...lly, [[aluminium]], [[magnesium]] or [[zinc]] are used for this process. [[Iron]] is sometimes used. The addition of excess metal to acid or vice-versa wil
  12 KB (1,718 words) - 19:25, 30 November 2022
• Iron(II,III) oxide
  | Name = Iron(II, III) oxide | IUPACName = Iron(II) iron(III) oxide
  5 KB (604 words) - 14:34, 18 November 2023
• Iron
  |image name comment=Two easily available iron sources, with very different surface areas: Steel wool and railroad spikes. |name=Iron
  14 KB (2,062 words) - 22:51, 26 August 2023
• Iron(III) chloride
  | Name = Iron(III) chloride | IUPACName = Iron(III) chloride
  8 KB (1,071 words) - 14:38, 18 November 2023
• Lab suppliers
  ...though the label on the container said zinc, the contents turned out to be iron powder. This resulted in a lot of wasted time and reagents when a reaction ...tity is one pound, except for various expensive materials such as europium oxide and silver nitrate.
  21 KB (3,057 words) - 21:32, 19 March 2024