5. Реакциями окисления являются:
А) 2SO₂+O₂=2SO
Б) ₃MnO₂=Mn₂O₄+O₂
B) 2Ca+O₂=2CaO
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.