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Answers
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1. 2AgNO₃ + Cu = Cu(NO₃)₂ + 2Ag
2. 2NaF + Br₂ = 2NaBr + F₂
3. Pb(OH)₂ + 2HCl = PbCl₂ + 2H₂O
4. CH₄ + 2O₂ = CO₂ + 2H₂O
5. 2Na₃PO₄ + 3CaCl₂ = 6NaCl + Ca₃(PO₄)₂
6. 2NH₃ + H₂SO₄ = (NH₄)₂SO₄
7. 2AlBr₃ + 3K₂SO₄ = 6KBr + Al₂(SO₄)₃
8. N₂ + 3F₂ = 2NF₃
9. NH₄NO₃ = N₂O + 2H₂O
10. 2KI + Cl₂ = 2KCl + I₂
11. Pb(NO₃)₂ + 2HCl = PbCl₂ + 2HNO₃
12. 2BaO₂ = 2BaO + O₂
13. 2AgNO₃ + CuCl₂ = 2AgCl + Cu(NO₃)₂
14. 2ZnS + 3O₂ = 2ZnO + 2SO₂
15. BaCl₂ + (NH₄)₂CO₃ = BaCO₃ + 2NH₄Cl
16. 2C₆H₆ + 15O₂ = 12CO₂ + 6H₂O
17. (NH₄)₂Cr₂O₇ = N₂ + Cr₂O₃ + 2H₂O
18. 4HClO₄ + P₄O₁₀ → 2Cl₂O₇ + 4HPO₃
19. 4C₆H₅Cl + SiCl₄ + 8Na = (C₆H₅)₄Si + 8NaCl
20. Zn₃Sb₂ + 6H₂O = 3Zn(OH)₂ + 2SbH₃