22.用右图所示密闭装置进行实验使固体与液体接触能够观察到气球先膨胀过一段时间又恢复到原状的一组物质是 A.硝酸铵和水 b.铁粉和稀硫酸 Template




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tomski22.用右图所示密闭装置进行实验使固体与液体接触能够观察到气球先膨胀过一段时间又恢复到原状的一组物质是 a.硝酸铵和水 b.铁粉和稀硫酸 coloring