湖南皕成科技股份有限公司知识问答

如何判断氢氧化钙是否完全变质?

如何判断氢氧化钙是否完全变质?

最佳答案:

氢氧化钙变质后的产物是碳酸钙,不溶于水,所以加水,充分搅拌后静置,加酚酞,若变红,则没有完全变质。

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