Осуществите превращения:

Са -> СаН2 -> Са(ОН)2 -> Са(HS)2-> CaCl2 -> Ca,

Zn-> Na2ZnO2 -> Zn(OH)2 -> ZnCl2 -> Zn
Please enter comments
Please enter your name.
Please enter the correct email address.
You must agree before submitting.

Copyright © 2024 SCHOLAR.TIPS - All rights reserved.