Barium oxide

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Barium oxide is a chemical compound. Its chemical formula is BaO. It contains barium and oxide ions.

Properties[change | change source]

Barium oxide is a white solid. It dissolves in water to make barium hydroxide. It reacts with acids to make barium salts.

Preparation[change | change source]

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 | change source]

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 | change source]

Barium oxide is very toxic when eaten.

Related pages[change | change source]