Investigation 10C - Questions 1 - 10

Gap-fill exercise

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

1. Pb(NO3)2 --> PbO + NO2 + O2
2. CaO + MgCl2 --> MgO + CaCl2
3. Ca + H2O --> Ca(OH)2 + H2
4. CrCl3 + H2SO4 --> Cr2(SO4)3 + HCl
5. Fe(NO3)3 + NH4OH --> Fe(OH)3 + NH4NO3
6. AlCl3 + K3PO4 --> AlPO4 + KCl
7. Al2O3 + C + Cl2 --> CO + AlCl3
8. Cu2O + HCl --> CuCl + H2O
9. Mg(HCO3)2 + HCl --> MgCl2 + H2O + CO2
10. Fe + O2 --> Fe2O3