Ответ:
1. Fe + 2HCl → FeCl₂ + H₂↑
2. H₂SO₄ + 2NaOH → Na₂SO₄ + 2H₂O
4. AlCl₃ + 3KOH → Al(OH)₃↓ + 3KCl
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Ответ:
1. Fe + 2HCl → FeCl₂ + H₂↑
2. H₂SO₄ + 2NaOH → Na₂SO₄ + 2H₂O
4. AlCl₃ + 3KOH → Al(OH)₃↓ + 3KCl