Balancing Chemical Equations (Hard) worksheet with question and answer sheets, showing chemistry problems and molecular diagrams.

Balancing Chemical Equations (Hard) worksheet with question and answer sheets displayed, featuring chemistry problems and molecular diagrams on a red background.

PNG 2000×2000 633.3 KB Free · Personal Use

Quality Assured by Worksheets Library Team

Reviewed for educational accuracy and age-appropriateness

ID: #851868

✨ Generate New Worksheet

⭐

Show Answer Key & Explanations Step-by-step solution for: Balancing Chemical Equations (Hard) Worksheet GCSE - rocketsheets ...

▼

1. 4 OH⁻ → 2 H₂O + O₂ + 4 e⁻
2. PCl₃ + 3 H₂O → P(OH)₃ + 3 HCl
3. P₄O₁₀ + 6 HCl → 4 POCl₃ + 2 HPO₃
4. 2 Na + 2 H₂O → 2 NaOH + H₂
5. 2 MgNH₄PO₄ → Mg₂P₂O₇ + 2 NH₃ + H₂O
6. 4 NO + 2 H₂O + 3 O₂ → 4 HNO₃
7. Al(ClO₄)₃ + 3 KBr → AlBr₃ + 3 KClO₄
8. 2 Cu(CN)₂ → 2 CuCN + C₂N₂
9. 4 HCl + MnO₂ → MnCl₂ + 2 H₂O + Cl₂
10. 2 NaOH + H₂SO₄ → Na₂SO₄ + 2 H₂O
11. CaHPO₄·2H₂O + 2 NaOH + 10 H₂O → Na₂HPO₄·12H₂O + Ca(OH)₂
12. 3 FeSO₄ + 2 K₃[Fe(CN)₆] → Fe₃[Fe(CN)₆]₂ + 3 K₂SO₄
13. 2 MgNH₄PO₄ → Mg₂P₂O₇ + 2 NH₃ + H₂O
14. 2 H₃PO₄ + 3 BaO → 3 H₂O + Ba₃(PO₄)₂
15. 2 AlBr₃ + 3 K₂SO₄ → 6 KBr + Al₂(SO₄)₃
16. 2 HCN + CuSO₄ → H₂SO₄ + Cu(CN)₂
17. 4 LiH + AlCl₃ → LiAlH₄ + 3 LiCl

Parent Tip: Review the logic above to help your child master the concept of balancing chemical equations worksheet with answers.

Print Download

How to use

Click Print to open a print-ready version directly in your browser, or use Download to save the file to your device. The ⭐ Answer button generates an AI answer key instantly - useful for teachers who need a quick reference. Need a different version? Our AI Worksheet Generator lets you create a custom worksheet on any topic in seconds.

Related worksheets: balancing chemical equations worksheet with answers