Investigation 10B - Questions 1 - 10

Gap-fill exercise

Balance the following chemical equations. Fill in all the gaps, then press "Check" to check your answers.

1. Mg(OH)2 + H2SO4 --> MgSO4 + H2O
2. SO2 + H2O --> H2SO3
3. Na2CO3 + HCl --> NaCl + H2O + CO2
4. Mg + HNO3 --> Mg(NO3)2 + H2
5. Al + Fe2O3 --> Al2O3 + Fe
6. K3PO4 + MgCl2 --> Mg3(PO4)2 + KCl
7. NH3 + O2 --> N2 + H2O
8. CaCO3 --> CaO + CO2
9. NaCl + H2SO4 --> Na2SO4 + HCl
10. F2 + NaOH --> NaF + O2 + H2O