Make formulae of the following compounds:

1. Potassium Chloride:2. Potassium Iodide:3. Potassium Bromide:4. Potassium Hydroxide:5. Potassium Nitrate:6. Potassium Bicarbonate:7. Potassium Sulphate:8. Potassium Carbonate:9. Sodium Chloride:10. Sodium Hydroxide:11. Sodium Nitrate:12. Sodium Bicarbonate:13. Sodium Sulphate:14. Sodium Carbonate:15. Silver Chloride:16. Ammonium Chloride:17: Ammonium Sulphate:18: Ammonium Hydroxide:19: Calcium Chloride:20. Calsium Hydroxide:

21. Calsium Nitrate:22. Calsium Bicarbonate:23. Calsium Sulphate:24. Calsium Carbonate:25. Calsium Oxide:

Balance the following equations:

1. N2+ H2 -----------> NH32. Hg + O2 -----------> HgO3. Al + O2 ------------> Al2O34. P + O2 -------------> P2O35. KNO3 --------------> KNO2 + O26.H2O2 ---------------> H2O + O27.H2 + O2 ------------> H2O8 Na + O2 ------------> Na2O9. Mg + O2 -----------> MgO10. Fe + O2 ----------> Fe3O411. NaOH + HNO3 -----------> NaNO3 + H2O12. KClO3 + MnO2 -----------> Kcl + O2 + MnO213. CaCO3 + HCl ------------> CaCl2 + H2O + CO214. Zn + H3PO4 --------------> Zn3(PO4)2 + H2