Q & A on Chemical Equation

Balancing Chemical Equations Quiz Questions

(1) __ Na₃PO₄ + __ HCl → __ NaCl + __ H₃PO₄

• Na₃PO₄ + HCl → NaCl + H₃PO₄

• Na₃PO₄ +3 HCl → 3 NaCl + H₃PO₄

• 3 Na₃PO₄ + HCl → 3 NaCl + H₃PO₄

• Na₃PO₄ + 3 HCl → NaCl + H₃PO₄

(2) __ TiCl₄ + __ H₂O → __ TiO₂ + __ HCl

• TiCl₄ + 2 H₂O → TiO₂ + 2 HCl

• TiCl₄ + 2 H₂O → TiO₂ + 4 HCl

• 2 TiCl₄ + H₂O → 2 TiO₂ + HCl

• TiCl₄ + 4 H₂O → TiO₂ + 4 HCl

(3) __ C₂H₆O + __ O₂ → __ CO₂ + __ H₂O

• 2 C₂H₆O + O₂ → CO₂ + 3 H₂O

• C₂H₆O + 3 O₂ → 2 CO₂ + 3 H₂O

• C₂H₆O + 2 O₂ → 3 CO₂ + 3 H₂O

• 2 C₂H₆O + O₂ → 2 CO₂ + H₂O

(4) __ FeS + __ O₂ → __ Fe₂O₃ + __ SO₂

• 2 FeS + O₂ → 2 Fe₂O₃ + 2 SO₂

• FeS + O₂ → Fe₂O₃ + SO₂

• 3 FeS + 2 O₂ → 3 Fe₂O₃ + 2 SO₂

• 4 FeS + 7 O₂ → 2 Fe₂O₃ + 4 SO₂

(5) __ CaCl₂ + __ Na₃PO₄ → __ Ca₃(PO₄)₂ + __ NaCl

• 2 CaCl₂ + 2 Na₃PO₄ → 2 Ca₃(PO₄)₂ + NaCl

• CaCl₂ + Na₃PO₄ → Ca₃(PO₄)₂ + NaCl

• 3 CaCl₂ + 2 Na₃PO₄ → Ca₃(PO₄)₂ + 6 NaCl

• 3 CaCl₂ + 2 Na₃PO₄ → Ca₃(PO₄)₂ + 3 NaCl

(6) __ KOH + __ H₃PO₄ → __ K₃PO₄ + __ H₂O

• 3 KOH + 2 H₃PO₄ → 3 K₃PO₄ + 3 H₂O

• KOH + H₃PO₄ → K₃PO₄ + 6 H₂O

• 3 KOH + H₃PO₄ → K₃PO₄ + 3 H₂O

• 2 KOH + H₃PO₄ → K₃PO₄ + H₂O

(7) __ AgI + __ Na₂S → __ Ag₂S + __ NaI

• AgI + Na₂S → Ag₂S + 2 NaI

• 2 AgI + 2 Na₂S → 2 Ag₂S + 2 NaI

• 2 AgI + 2 Na₂S → Ag₂S + 2 NaI

• 2 AgI + Na₂S → Ag₂S + 2 NaI

(8) __ Ba₃N₂ + __ H₂O → __ Ba(OH)₂ + __ NH₃

• 2 Ba₃N₂ + 3 H₂O → 2 Ba(OH)₂ + 2 NH₃

• Ba₃N₂ + 6 H₂O → 3 Ba(OH)₂ + 2 NH₃

• Ba₃N₂ + 3 H₂O → 3 Ba(OH)₂ + 2 NH₃

• Ba₃N₂ + H₂O → Ba(OH)₂ + NH₃

(9) ___ SnO₂ + ___ H₂ → ___ Sn + ___ H₂O

• 2 SnO₂ + 2 H₂ → 2 Sn + H₂O

• SnO₂ + 2 H₂ → Sn + 2 H₂O

• SnO₂ + H₂ → Sn + 2 H₂O

• 2 SnO₂ + H₂ → 2Sn + H₂O

(10) __ KNO₃ + __ H₂CO₃ → __ K₂CO₃ + __ HNO₃

• 2 KNO₃ + H₂CO₃ → K₂CO₃ + 2 HNO₃

• 2 KNO₃ + 2 H₂CO₃ → K₂CO₃ + 2 HNO₃

• KNO₃ + H₂CO₃ → K₂CO₃ + HNO₃

• 2 KNO₃ + 2 H₂CO₃ → K₂CO₃ + 3 HNO₃

• Balancing Chemical Equations Quiz Answers

  1. Na₃PO₄ +3 HCl → 3 NaCl + H₃PO₄

  2. TiCl₄ + 2 H₂O → TiO₂ + 4 HCl

  3. C₂H₆O + 3 O₂ → 2 CO₂ + 3 H₂O

  4. 4 FeS + 7 O₂ → 2 Fe₂O₃ + 4 SO₂

  5. 3 CaCl₂ + 2 Na₃PO₄ → Ca₃(PO₄)₂ + 6 NaCl

  6. 3 KOH + H₃PO₄ → K₃PO₄ + 3 H₂O

  7. 2 AgI + Na₂S → Ag₂S + 2 NaI

  8. Ba₃N₂ + 6 H₂O → 3 Ba(OH)₂ + 2 NH₃

  9. SnO₂ + 2 H₂ → Sn + 2 H₂O

  10. 2 KNO₃ + H₂CO₃ → K₂CO₃ + 2 HNO₃ 1. Balance each of the following equations. (a) Fe+ Cl2 −−→ FeCl3

  11. (b) Fe+ O2 −−→ Fe2O3

  12. (c) FeBr3 + H2 SO4 −−→ Fe2 (SO4 ) 3 + HBr

  13. (d) C4H6O3 + H2O −−→ C2H4O2

  14. (e) C2H4 + O2 −−→ CO2 + H2O

  15. (f) C4H10O+ O2 −−→ CO2 + H2O

  16. (g) C7H16 + O2 −−→ CO2 + H2O

  17. (h) H2 SiCl2 + H2O −−→ H8 Si4O4 + HCl

  18. (i) HSiCl3 + H2O −−→ H10Si10O15 + HCl

  19. (j) C7H9 + HNO3 −−→ C7H6 (NO2 ) 3 + H2O

  20. (k) C5H8O2 + NaH+ HCl −−→ C5H12O2 + NaCl