AlI3+ H2
HF + I2
AlF3
AlCl3+H2
HF +Cl2
Ответ: б) и г)
б) CaO + 2HCl = CaCl2 + H2O
P2O5 + HCl≠
г) СaO + CO2 = CaCO3
P2O5 + CO2 ≠
HCl+KHSiO3=KCl+ H2SiO3
2HCl+K2SO3=2KCl+SO2 + H2O
HCl+KHS= H2S + KCl
2HCl+K2S= H2S + KCl
<span>Zn -> ZnO -> Zn(NO₃)₂ -> Zn(OH)₂ - > Na₂ZnO₂
Zn(OH)₂ -> ZnSO₄
</span><span>2Zn + O₂=2ZnO
</span>ZnO +2HNO₃= Zn(NO₃)₂ + H₂O
<span>Zn(NO₃)₂ + 2NaOH = Zn(OH)₂↓ + 2NaNO₃
</span>Zn(OH)₂ + 2NaOH = Na₂ZnO₂ + 2H₂O
<span> Na₂ZnO₂+ H₂SO₄=Na₂SO₄ + Zn(OH)₂↓
</span><span>Zn(OH)₂ + H₂SO₄= ZnSO₄+ 2H₂O</span>