Question

repede ca dau test ca rogg cat mai repede dau 50 de puncte

Answer 1

Răspuns:

2HNO3 +Ca(OH)2=> Ca(NO3)2+ 2H2O

2Al+3S=> Al2S3

FeCl3 + 3NaOH => Fe(OH)3+3NaCl

AlCl3 + 3KOH => Al(OH)3+3 KCl

Mg+2HCl =>MgCl2 +H2

Ca3(PO4 )2+3H2SO4 =>3 CaSO4 + 2H3PO4

2HNO3 +Ba(OH)2=> Ba(NO3)2+ 2H2O

4Al+3O2=> 2Al2O3

Fe+2HCl =>FeCl2 +H2