October 2021 0 4 Report
В приведенных схемах химических уравнений реакций расставьте коэффициенты и замените стрелки знаком равенства: Cu+S=>CuS
Sn+O2=>SnO2
Al+O2=>Al2O3
Please enter comments
Please enter your name.
Please enter the correct email address.
You must agree before submitting.

Helpful Links

Helpful Social

Copyright © 2024 SCHOLAR.TIPS - All rights reserved.