Ответ:
1. Li + NaOH ≠
2. H₂SO₄ + Ba = BaSO₄ + H₂↑
3. Ca + CuCl₂ = CaCl₂ + Cu
4. 2K + 2H₂O = 2KOH + H₂↑
5. 4Li + O₂ = 2Li₂O
6. Cr₂O₃ + Ca ≠
7. 2Cs + Zn(NO₃)₂ = 2CsNO₃ + Zn
8. Zn + KOH ≠
9. Zn + 2HCl = ZnCl₂ + H₂↑
10. CaO + 2HNO₃ = Ca(NO₃)₂ + H₂O
11. Ba(OH)₂ + Zn(NO₃)₂ = Ba(NO₃)₂ + Zn(OH)₂↓
12. Mg(OH)₂ + 2HCl = MgCl₂ + 2H₂O
13. CaCO₃ + 2HCl = CaCl₂ + CO₂↑ + H₂O
Sr → SrО → SrСO₃ → Sr(NO₃)
₂
1. 2Sr + O₂ → 2SrO
2. SrO + CO₂ → SrCO₃
3. SrCO₃ + HNO₃ → Sr(NO₃)₂ + CO₂↑ + H₂O