Urgent , Dau coroana
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Răspuns:
Explicație:
1.
a. ACIZI : HCl-acid clorhidric
H2SO4 - acid sulfuric
H2CO3 - acid carbonic
HNO3 -acid azotic
b. BAZE : NaOH -hidroxid de Na
Al(OH)3 -hidroxid de Al
Mg(OH)2 - hidroxid de Mg
Ca(OH)2- hidroxid de Ca
c.
2HCl + Mg = MgCl2 + H2
2HCl + Fe = FeCl2 +H2
HCl + KOH= KCl + H2O
H2SO4 + 2KOH = K2SO4 +2H2O