Question

Решить схему превращений Ca --- CaO --- Ca(OH)2 --- CaCl2 --- AgCl

Answer 1

1) 2Ca+O2---- 2CaO

2) CaO+H2O----Ca(OH)2

3) Ca(OH)2+ HCl----CaCl+H2O
4) CaCl+AgNO3----CaNO3+ AgCl(осадок)