Investigation 10C - Questions 11 - 20

Gap-fill exercise

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

1. Si + H2O --> SiO2 + H2
2. CaCl2 + Cr(NO3)3 --> Ca(NO3)2 + CrCl3
3. Ca3(PO4)2 + H2SO4 --> CaSO4 + H3PO4
4. Fe(OH)3 --> Fe2O3 + H2O
5. CaO + SO2 --> CaSO3
6. CO2 + Mg(OH)2 --> MgCO3 + H2O
7. CaO + HCl --> CaCl2 + H2O
8. CaCO3 + SiO2 --> CaSiO3 + CO2
9. Sb + Cl2 --> SbCl3
10. Mg3N2 + H2O --> Mg(OH)2 + NH3