👤

ex 2!!!
dau coroanaaa


Ex 2 Dau Coroanaaa class=

Răspuns :

Răspuns:

K2O + H2O => 2KOH

K2O caracter bazic

CaO + H2SO4 => CaSO4 + H2O

CaO caracter acid

CaO + H2O => Ca (OH)2

CaO caracter bazic

GeO2 + 4HCl => GeCl4 + 2H2O

GeO2 caracter acid

GeO2 + 2NaOH => Na2GeO3 + H2O

GeO2 caracter bazic

As4O10 + 6H2O => 4H3AsO4

As4O10 caracter acid