1. Acid reactions hydrochloric acid + potassium hydroxide  potassium chloride + water hydrochloric acid + calcium hydroxide  calcium chloride + water

2. Acid reactions sulphuric acid + potassium hydroxide  potassium sulphate + water hydrochloric acid + calcium carbonate  calcium chloride + water + carbon dioxide

3. Acid reactions hydrochloric acid + zinc  zinc chloride + hydrogen nitric acid + sodium hydroxide  sodium nitrate + water

4. Acid reactions nitric acid + sodium hydrogencarbonate  sodium chloride + water + carbon dioxide phosphoric acid + ammonium hydroxide  ammonium phosphate + water

5. Acid reactions hydrochloric acid + sodium oxide  sodium chloride + water

6. For each of the images explain how it is connected to acid and alkalis.