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化学9大沉淀是哪些
更新时间: 2020-10-23 00:00:00  

1、碳酸钙:无机化合物。呈中性,基本上不溶于水,溶于盐酸;

2、碳酸钡:含有剧毒的化学物品,形态呈六角形微细晶体或白色粉末。碳酸钡难溶于水,易溶于酸;

3、硫酸钡:又名重晶石。为无臭,无味的无色斜方晶系晶体或白色无定型粉末。性质稳定,难溶于水、酸、碱或有机溶剂;

4、氯化银:银的氯化物,白色粉末,见光变紫并逐渐变黑;

5、氢氧化镁:无色六方柱晶体或白色粉末,难溶于水和醇,溶于稀酸和铵盐溶液,水溶液呈弱碱性;

6、氢氧化铜:蓝色絮状沉淀,难溶于水,受热分解;

7、氢氧化铁:棕色或红褐色粉末或深棕色絮状沉淀或胶体;

8、氢氧化亚铁:白色固体,极微溶于水。受热易分解;

9、氢氧化铝:白色非晶形粉末。

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