932693
| Questão | Responda |
| Formula for Oxygen | O2 |
| Carbon dioxide | CO2 |
| Nitrogen | N2 |
| Ammonia | NH3 |
| Sodium hydrogen carbonate | NaHCO3 |
| Sulphuric acid | H2SO4 |
| Hydrochloric acid | HCl |
| Calcium oxide | CaO |
| Potassium chloride | KCl |
| Sodium hydroxide | NaOH |
| Potassium sulphate | K2SO4 |
| Ammonium sulphate | (NH4)2SO4 |
| Magnesium chloride | MgCl2 |
| Copper(II) sulphate | CuSO4 |
| Water | H2O |
| Carbon monoxide | CO |
| Hydrogen | H2 |
| Sulphur dioxide | SO2 |
| Sodium carbonate | Na2CO3 |
| Nitric acid | HNO3 |
| Calcium carbonate | CaCO3 |
| Sodium chloride | NaCl |
| Copper oxide | CuO |
| Potassium hydroxide | KOH |
| Sodium sulphate | Na2SO4 |
| Calcium chloride | CaCl2 |
| Magnesium sulphate | MgSO4 |
| Methane | CH4 |
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