The Language of Chemistry — Question 29

Question 20

Write balanced equations for the following word equations :

1. Potassium nitrate ⟶ Potassium nitrite + Oxygen
2. Calcium + Water ⟶ Calcium hydroxide + Hydrogen
3. Iron + Hydrochloric acid ⟶ Iron [II] chloride + Hydrogen
4. Nitrogen dioxide + Water + Oxygen ⟶ Nitric acid
5. Lead dioxide [lead (IV) oxide] ⟶ Lead monoxide + Oxygen
6. Aluminium + Oxygen ⟶ Aluminium oxide
7. Iron + Chlorine ⟶ Iron [III] chloride
8. Potassium bromide + Chlorine ⟶ Potassium chloride + Bromine
9. Potassium bicarbonate ⟶ Potassium carbonate + Water + Carbon dioxide
10. Calcium hydroxide + Ammonium chloride ⟶ Calcium chloride + Water + Ammonia