Acids, bases and pH

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Across
  1. 1. A basic powder applied to agricultural fields to neutralise acidic soil and help crops grow.
  2. 4. An everyday alkaline kitchen powder, also called bicarbonate, used in baking and to soothe bee stings.
  3. 10. An insect whose alkaline sting can be neutralised using an everyday acid like vinegar.
  4. 11. Any chemical process where reactants transform into entirely new products.
  5. 13. The chemical reaction between an acid and a base that cancels out their properties.
  6. 16. The logarithmic scale used to measure the acidity or alkalinity of a solution.
  7. 17. An everyday basic medicine chewed or swallowed to neutralise excess stomach acid.
  8. 19. An insect whose painful acidic sting can be neutralised using an everyday base like baking soda.
  9. 20. A popular everyday fizzy beverage that contains phosphoric acid.
  10. 21. A chemical substance that reacts with an acid to produce a salt and water.
Down
  1. 2. A substance like litmus or universal indicator that changes color to show the pH of a solution.
  2. 3. The neutral liquid with the formula H2O produced as a byproduct of a neutralisation reaction.
  3. 4. An everyday alkaline cleaning material formed by reacting fats with a strong base.
  4. 5. Describing a solution with a pH of exactly 7, such as pure water.
  5. 6. A common household weak acid containing acetic acid, used to neutralise alkaline wasp stings.
  6. 7. A specific type of base that dissolves in water to release hydroxide ions.
  7. 8. The ionic compound formed when the hydrogen ions of an acid are replaced by metal ions.
  8. 9. A sour everyday fruit that contains a high concentration of citric acid.
  9. 12. A strong household alkaline liquid used for cleaning, disinfecting, and whitening materials.
  10. 14. An everyday basic substance used to neutralise the acids produced by bacteria in your mouth.
  11. 15. Substance with a pH level less than 7 that turns blue litmus paper red.
  12. 18. A pungent alkaline compound commonly found in everyday window and glass cleaning sprays.
  13. 19. An everyday object that uses strong sulfuric acid to generate portable electrical energy.