Balancing Chemical Equations Exam Questions and Correct Answers.

Balancing Chemical Equations Exam Questions and Correct
Answers

1. CaO + H₂O --> Ca(OH)₂ correct answer: balanced
2. Na + F₂ --> NaF correct answer: 2, 1, 2
3. K+ I₂ --> KI correct answer: 2, 1, 2
4. MgO + SO₃ --> MgSO₄ correct answer: balanced
5. C+ O₂ --> CO₂ correct answer: balanced
6. Al₂(SO₄)₃ + Ca(OH)₂ --> Al(OH)₃ + CaSO₄
correct answer: 1, 3, 2, 3
7. Na + MgF₂ --> NaF + Mg correct answer: 2, 1, 2, 1
8. BaCl₂ + Na₂SO₄ --> NaCl + BaSO₄ correct
answer: 1, 1, 2, 1
9. LiCl + Mg(NO₃)₂ --> LiNO₃ + MgCl₂
correct answer: 2, 1, 2, 1
10. Al + Cu(NO₃)₂ --> Cu + Al(NO₃)₃ correct
answer: 2, 3, 3, 2
11. Mg + Cl₂ --> MgCl₂ correct answer: balanced
12. CO + O₂ --> CO₂ correct answer: 2, 1, 2
13. Cu + HCl --> CuCl₂ + H₂ correct answer: 1, 2, 1, 1
14. Mg + O₂ --> MgO correct answer: 2, 1, 2
15. Sn + HF --> SnF₂ + H₂ correct answer: 1, 2, 1, 1
16. Mg + HCl --> MgCl₂ + H₂ correct answer: 1, 2, 1, 1
17. Fe + O₂ --> Fe₂O₃ correct answer: 4, 3, 2
18. CS₂ + O₂ --> CO₂ + SO₂ correct answer: 1, 3, 1, 2
19. MgS + O₂ --> MgO + SO₂ correct answer: 2, 3, 2, 2
20. NaOH + CO₂ --> Na₂CO₃ + H₂O
correct answer: 2, 1, 1, 1
21. Mg + HF --> MgF₂ + H₂ correct answer: 1, 2, 1, 1
22. N₂ + O₂ --> NO correct answer: 1, 1, 2
23. H₂ + O₂ --> H₂O correct answer: 2, 1, 2
24. PCl₃ + Cl₂ --> PCl₅ correct answer: balanced
25. Al + Cl₂ --> AlCl₃ correct answer: 2, 3, 2
26. Mg + AlCl₃ --> MgCl₂ + Al correct answer: 3, 2, 3,
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