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85问答库 > 用什么东西可以有效溶解水泥块？

用什么东西可以有效溶解水泥块？

2025-04-06 16:56:02

推荐回答（1个）

回答1：

理论上来说用盐酸和硫酸可以。水泥的主要成分钙质原料（如石灰石）遇到盐酸产生二氧化碳可有效分解水泥。而硫酸会生成硫酸钙和氢气。但是结成块的水泥就很难反应，能与干燥的水泥反应的物质很难买到。稀盐酸多次性浸泡，结合热水凉水交替，效果可能好点。

盐酸与石灰石的反应方程式：CaCO3 + 2HCl = CaCl2 + CO2↑ + H2O

硫酸与石灰石的反应方程式：CaCO3+H2SO4=CaSO4（↓）+H2O+CO2↑

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