一、高考试题分析（理科综合）2020年版教育部考试中心P68-70页节选如下：
![](https://wkrtcs.bdimg.com/rtcs/image?w=553.73&md5sum=0a58f8aaac0503e8bb957fe3d1ae24c6&sign=bfcd48b667&rtcs_flag=2&rtcs_ver=4&l=webapp&bucketNum=486&ipr={"t":"img","r":"r_4","w":"553.73","h":"647.97","dataType":"png","c":"word/media/image1.png","imgOriW":617,"imgOriH":722})
二、以上是2019年全国I卷的原题和官方答案，请看该题下面看看官方解析，有些自相矛盾：
![](https://wkrtcs.bdimg.com/rtcs/image?w=553.73&md5sum=0a58f8aaac0503e8bb957fe3d1ae24c6&sign=bfcd48b667&rtcs_flag=2&rtcs_ver=4&l=webapp&bucketNum=486&ipr={"t":"img","r":"r_4","w":"553.73","h":"341.96","dataType":"png","c":"word/media/image2.png","imgOriW":604,"imgOriH":373})
三、下面我们再来看相关省份的这题的相关的评分细则问题：
![](https://wkrtcs.bdimg.com/rtcs/image?w=553.73&md5sum=0a58f8aaac0503e8bb957fe3d1ae24c6&sign=bfcd48b667&rtcs_flag=2&rtcs_ver=4&l=webapp&bucketNum=486&ipr={"t":"img","r":"r_4","w":"553.73","h":"276.87","dataType":"png","c":"word/media/image3.png","imgOriW":1080,"imgOriH":540})
![](https://wkrtcs.bdimg.com/rtcs/image?w=553.73&md5sum=0a58f8aaac0503e8bb957fe3d1ae24c6&sign=bfcd48b667&rtcs_flag=2&rtcs_ver=4&l=webapp&bucketNum=486&ipr={"t":"img","r":"r_4","w":"553.73","h":"197.63","dataType":"png","c":"word/media/image4.png","imgOriW":891,"imgOriH":318})
四、一些文献展示：
1.化学工艺学 作 者 ：彭银仙主编；郑绍军副主编 出版发行 : 哈尔滨：哈尔滨工程大学出版社 , 2018.07 ISBN号 ：7-5661-2013-7
![](https://wkrtcs.bdimg.com/rtcs/image?w=553.73&md5sum=0a58f8aaac0503e8bb957fe3d1ae24c6&sign=bfcd48b667&rtcs_flag=2&rtcs_ver=4&l=webapp&bucketNum=486&ipr={"t":"img","r":"r_4","w":"553.73","h":"474.73","dataType":"png","c":"word/media/image5.png","imgOriW":806,"imgOriH":691})
![](https://wkrtcs.bdimg.com/rtcs/image?w=553.73&md5sum=0a58f8aaac0503e8bb957fe3d1ae24c6&sign=bfcd48b667&rtcs_flag=2&rtcs_ver=4&l=webapp&bucketNum=486&ipr={"t":"img","r":"r_4","w":"553.73","h":"614.23","dataType":"png","c":"word/media/image6.png","imgOriW":778,"imgOriH":863})
![](https://wkrtcs.bdimg.com/rtcs/image?w=553.73&md5sum=0a58f8aaac0503e8bb957fe3d1ae24c6&sign=bfcd48b667&rtcs_flag=2&rtcs_ver=4&l=webapp&bucketNum=486&ipr={"t":"img","r":"r_4","w":"553.73","h":"626.23","dataType":"png","c":"word/media/image7.png","imgOriW":802,"imgOriH":907})
2.矿物化学处理 作 者 ：李正要主编 出版发行 : 北京：冶金工业出版社 , 2015.06 ISBN号 ：978-7-5024-6914-6
![](https://wkrtcs.bdimg.com/rtcs/image?w=553.73&md5sum=0a58f8aaac0503e8bb957fe3d1ae24c6&sign=bfcd48b667&rtcs_flag=2&rtcs_ver=4&l=webapp&bucketNum=486&ipr={"t":"img","r":"r_4","w":"553.73","h":"675.91","dataType":"png","c":"word/media/image8.png","imgOriW":707,"imgOriH":863})
![](https://wkrtcs.bdimg.com/rtcs/image?w=553.73&md5sum=0a58f8aaac0503e8bb957fe3d1ae24c6&sign=bfcd48b667&rtcs_flag=2&rtcs_ver=4&l=webapp&bucketNum=486&ipr={"t":"img","r":"r_4","w":"553.73","h":"626.59","dataType":"png","c":"word/media/image9.png","imgOriW":798,"imgOriH":903})
![](https://wkrtcs.bdimg.com/rtcs/image?w=553.73&md5sum=0a58f8aaac0503e8bb957fe3d1ae24c6&sign=bfcd48b667&rtcs_flag=2&rtcs_ver=4&l=webapp&bucketNum=486&ipr={"t":"img","r":"r_4","w":"553.73","h":"507.24","dataType":"png","c":"word/media/image10.png","imgOriW":786,"imgOriH":720})
![](https://wkrtcs.bdimg.com/rtcs/image?w=553.73&md5sum=0a58f8aaac0503e8bb957fe3d1ae24c6&sign=bfcd48b667&rtcs_flag=2&rtcs_ver=4&l=webapp&bucketNum=486&ipr={"t":"img","r":"r_4","w":"553.73","h":"613.60","dataType":"png","c":"word/media/image11.png","imgOriW":777,"imgOriH":861})
![](https://wkrtcs.bdimg.com/rtcs/image?w=553.73&md5sum=0a58f8aaac0503e8bb957fe3d1ae24c6&sign=bfcd48b667&rtcs_flag=2&rtcs_ver=4&l=webapp&bucketNum=486&ipr={"t":"img","r":"r_4","w":"553.73","h":"652.64","dataType":"png","c":"word/media/image12.png","imgOriW":655,"imgOriH":772})
![](https://wkrtcs.bdimg.com/rtcs/image?w=553.73&md5sum=0a58f8aaac0503e8bb957fe3d1ae24c6&sign=bfcd48b667&rtcs_flag=2&rtcs_ver=4&l=webapp&bucketNum=486&ipr={"t":"img","r":"r_4","w":"553.73","h":"707.64","dataType":"png","c":"word/media/image13.png","imgOriW":662,"imgOriH":846})
沉淀完全后，让初生成的沉淀与母液一起放置一段时间，这个过程称为“陈化”，其目的是：①去除沉淀中包藏的杂质；②让沉淀晶体生长增大晶体粒径，并使其粒径分布比较均匀
![](https://wkrtcs.bdimg.com/rtcs/image?w=553.73&md5sum=0a58f8aaac0503e8bb957fe3d1ae24c6&sign=bfcd48b667&rtcs_flag=2&rtcs_ver=4&l=webapp&bucketNum=486&ipr={"t":"img","r":"r_4","w":"553.73","h":"315.83","dataType":"png","c":"word/media/image14.png","imgOriW":1080,"imgOriH":616})
化工上的操作还有很多，这里简单谈了几个!其实很多工业操作与实验室操作不同，存在区别，注意不要一概而论！
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