✔ 最佳答案
1.Pour the mixture into water,since the salt is sodium salt,it can dissolve in water.
2.Since the active carbon have lower density than water,it can be collected from the surface of water.
3.Filtrate the remaining solution.
4.Evaporate the filtrate,the salt can be obtained.
5.Put the residue into dilute hydrochloric acid,iron(II) oxide will be dissloved.Until no more solid dissolve,filtrate the soltion,the residue obtained is vermiculite.
6.Evaporate the filtrate,then heat it with candon strongly,Iron metal can be obtained after redution.
