Br-:萃取后油层在水层________,油层显________色. I-:萃取后油层在水层________,油层显________色.
问题描述:
Br-:萃取后油层在水层________,油层显________色. I-:萃取后油层在水层________,油层显________色.
答
下面,红棕,下面,紫红
记得采纳啊