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3ZnO_2B₂O₃ A white, amorphous powder that is soluble in dilute acids, slightly soluble in water; melts at 980_C; used in medicine, as a ceramics flux, as an inhibitor for mildew, and to fireproof textiles.

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Bransch/domän: Chemistry
Category: Inorganic chemistry
Company: McGraw-Hill
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Element 30, atomic weight 65.37, a reactive gray metal that dissolves in acids, used to galvanize metals and in many alloys (e. g. brass and bronze).

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Bransch/domän: Water bodies Category: Lakes

Гурон көлі

The second largest of the Great Lakes of North America, bounded on the west by Michigan (U. S. ) and on the north and east by Ontario (Can. ). The ...