pyroarsenic acid

例句：

1. 1.The pyroarsenic acid reacted with the oxygen in the air to form a gas.
   热砷酸与空气中的氧气反应生成气体。
2. 2. The chemical analysis of the pyroarsenic acid showed that it contained trace amounts of heavy metals.
   对热砷酸的化学分析显示，它含有微量的重金属。
3. 3.The pyroarsenic acid was used as a catalyst in the industrial process.
   热砷酸被用作工业过程中的催化剂。