Definition of Manganese dioxide or peroxide. Meaning of Manganese dioxide or peroxide. Synonyms of Manganese dioxide or peroxide

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Definition of Manganese dioxide or peroxide

Manganese dioxide or peroxide
Manganese Man`ga*nese", n. [F. mangan[`e]se, It. manganese, sasso magnesio; prob. corrupted from L. magnes, because of its resemblance to the magnet. See Magnet, and cf. Magnesia.] (Chem.) An element obtained by reduction of its oxide, as a hard, grayish white metal, fusible with difficulty, but easily oxidized. Its ores occur abundantly in nature as the minerals pyrolusite, manganite, etc. Symbol Mn. Atomic weight 54.8. Note: An alloy of manganese with iron (called ferromanganese) is used to increase the density and hardness of steel. Black oxide of manganese, Manganese dioxide or peroxide, or Black manganese (Chem.), a heavy black powder MnO2, occurring native as the mineral pyrolusite, and valuable as a strong oxidizer; -- called also familiarly manganese. It colors glass violet, and is used as a decolorizer to remove the green tint of impure glass. Manganese bronze, an alloy made by adding from one to two per cent of manganese to the copper and zinc used in brass.

Meaning of Manganese dioxide or peroxide from wikipedia

- Manganese dioxide is the inorganic compound with the formula MnO 2. This blackish or brown solid occurs naturally as the mineral pyrolusite, which is the...
- sulfur dioxide: MnO2 + SO2 + H2O → MnSO4(H2O) It can also be made by mixing pot****ium permanganate with sodium bisulfate and hydrogen peroxide. Manganese sulfate...
- when it is exposed to catalysts such as manganese dioxide. Removing yellowing from aged plastics Hydrogen peroxide may be used in combination with a UV-light...
- particularly manganese, Mn(II/IV), catalyze the decomposition of hydrogen peroxide, so some improvement in the efficiency of peroxide bleaching can be...
- hence transition metals. This group is sometimes called the manganese group or manganese family after its lightest member; however, the group itself has...
- Titanium dioxide, also known as titanium(IV) oxide or titania /taɪˈteɪniə/, is the inorganic compound derived from titanium with the chemical formula TiO...
- carbon dioxide) and symbiotic nitrogen fixation (the breaking apart of diatomic nitrogen (N2) to reactive nitrogen atoms). Hydrogen peroxide is used...
- contains hydrogen peroxide, an iodate, divalent manganese (Mn2+) as catalyst, a strong chemically unreactive acid (sulphuric acid (H2SO4) or perchloric acid...
- powering of fuel pumps in airplanes and rockets. The reaction produces manganese dioxide, which tends to clog the steam generators. Later generations of the...
- 4-Vinylcyclohexene dioxide (VCD) is an organic compound that contains two epoxide functional groups. It is industrially used as a crosslinking agent for...