Answer :
Answer:
here are 20 unbalanced chemical equations:
1. H₂ + O₂ → H₂O
2. C + O₂ → CO₂
3. N₂ + H₂ → NH₃
4. Na + Cl₂ → NaCl
5. Fe + O₂ → Fe₂O₃
6. CH₄ + O₂ → CO₂ + H₂O
7. P + O₂ → P₂O₅
8. Zn + HCl → ZnCl₂ + H₂
9. Al + O₂ → Al₂O₃
10. H₂ + Cl₂ → HCl
11. K + H₂O → KOH + H₂
12. C₂H₆ + O₂ → CO₂ + H₂O
13. Ca + O₂ → CaO
14. Mg + N₂ → Mg₃N₂
15. SO₂ + O₂ → SO₃
16. H₂O₂ → H₂O + O₂
17. C₃H₈ + O₂ → CO₂ + H₂O
18. Fe + H₂O → Fe₃O₄ + H₂
19. Na + H₂O → NaOH + H₂
20. NH₃ + O₂ → NO + H₂O