7. Позначте групу, яка складається лише з оксидів:
A) Na2O, NaOH, N2O, NaNO3;
Б) MnO2,CuO, K20, So2
B) ZnO, KOH, P205, SiO2;
Г) H2SO4, MgO, H20, CІ2О​
Please enter comments
Please enter your name.
Please enter the correct email address.
You must agree before submitting.

Answers & Comments


Copyright © 2024 SCHOLAR.TIPS - All rights reserved.