is 次氯酸 "inferior chlorine acid", HClO2 is 亚氯酸, HClO3 is 氯酸, and HClO4 is 高氯酸. In this example, the character 酸 (suān, 'sour') means (organic or inorganic)...

破 砵 砶 砷 砸 砹 砺 砻 砼 砽 砾 砿 U+784x 础 硁 硂 硃 硄 硅 硆 硇 硈 硉 硊 硋 硌 硍 硎 硏 U+785x 硐 硑 硒 硓 硔 硕 硖 硗 硘 硙 硚 硛 硜 硝 硞 硟 U+786x 硠 硡 硢 硣 硤 硥 硦 硧 硨 硩 硪 硫 硬 硭 确 硯 U+787x 硰...

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