在水样中加入( )是为防止金属沉淀
A、H[img=~/QImg/2013-10-14-10-14-34/image001.jpg]SO[img=~/QImg/2013-10-14-10-14-34/image002.jpg]
B、HNO[img=~/QImg/2013-10-14-10-14-34/image003.jpg]
C、NaOH
D、HC1
发布时间:2023-07-24 20:40:15
A、H[img=~/QImg/2013-10-14-10-14-34/image001.jpg]SO[img=~/QImg/2013-10-14-10-14-34/image002.jpg]
B、HNO[img=~/QImg/2013-10-14-10-14-34/image003.jpg]
C、NaOH
D、HC1