Выберите реакции замещения из данных уравнений реакций:

1) К2 S + H2 SO4 = H2S + К2SO4 ;
2) Zn + FeCI2 = ZnCI2 + Fe;

3) 2NH3 = 3H2 + N2; 4) H2 + Ca = CaH2

5) H2 S O4 + Ca = Ca S O4 + H2;





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.