Barium oxide | Wikipedia audio article
Channel: wikipedia tts
Date: 2018-10-20

This is an audio version of the Wikipedia Article:
Barium oxide

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SUMMARY
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Barium oxide, BaO, is a white hygroscopic non-flammable compound. It has a cubic structure and is used in cathode ray tubes, crown glass, and catalysts. It is harmful to human skin and if swallowed in large quantity causes irritation. Excessive quantities of barium oxide may lead to death.
It is prepared by heating barium carbonate with coke, carbon black or tar or by thermal decomposition of barium nitrate.