Barium oxide
From Wikipedia, the free encyclopedia
Barium oxide is a chemical compound. Its chemical formula is BaO. It contains barium and oxide ions.
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Properties [change]
Barium oxide is a white solid. It dissolves in water to make barium hydroxide. It reacts with acids to make barium salts.
Preparation [change]
Barium oxide is made by heating barium carbonate with carbon. This prevents barium peroxide from forming when it is heated. It can also be made by heating barium nitrate.
Uses [change]
Barium oxide can be added to glass instead of lead(II) oxide. It is also used in cathode ray tubes. It can be used as a catalyst.
Safety [change]
Barium oxide is very toxic when eaten.
