- manganous carbonate
- Chemistryமங்கனசுக்காபனேற்று
English-Tamil dictionary. 2014.
manganous carbonate
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romanechite — ▪ mineral barium and manganese oxide [(Ba, H2O)2(Mn4+, Mn3+)5O10], an important ore mineral of manganese. A secondary mineral formed under surface conditions, it is often a dark gray to black alteration product of manganous carbonate or… … Universalium
manganese processing — Introduction preparation of the ore for use in various products. Manganese (Mn) is a hard, silvery white metal with a melting point of 1,244° C (2,271° F). Ordinarily too brittle to be of structural value itself, it is an essential… … Universalium
manganese — /mang geuh nees , neez /, n. Chem. a hard, brittle, grayish white, metallic element, an oxide of which, MnO2 (manganese dioxide), is a valuable oxidizing agent: used chiefly as an alloying agent in steel to give it toughness. Symbol: Mn; at. wt … Universalium
chemical element — Introduction also called element, any substance that cannot be decomposed into simpler substances by ordinary chemical processes. Elements are the fundamental materials of which all matter is composed. This article considers the… … Universalium
Manganese(II) chloride — Anhydrous Tetrahydrate … Wikipedia
equivalent weight — Chem. the combining power, esp. in grams (gram equivalent), of an element or compound, equivalent to hydrogen as a standard of 1.00797 or oxygen as a standard of 8; the atomic weight divided by the valence. [1925 30] * * * or combining weight… … Universalium
