Zinc metal reacts with hydrochloric acid to produce bubbles of hydrogen gas and zinc chloride.

金属锌与盐酸反应产生氢气泡和氯化锌。

youdao

The existing shortages of tail gas system of hydrochloric acid units and the technology innovation were analysed.

分析了盐酸装置尾气系统存在的不足及技术改造内容。

youdao

But this process also released large amounts of deadly hydrochloric acid gas.

VOA: special.2011.03.09