下列过程主要只涉及物理变化的是 A.浓硫酸使白纸变�b.石蕊溶液遇到酸溶液变成红色c.生石灰遇水变成熟石灰d.活性炭用于净水——青夏教育 Template




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tomski下列过程主要只涉及物理变化的是 a.浓硫酸使白纸变�b.石蕊溶液遇到酸溶液变成红色c.生石灰遇水变成熟石灰d.活性炭用于净水——青夏教育 coloring