The concept of pH value

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Across
  1. 2. Basic can be identified by the ____ term in the end of their chemical
  2. 6. When the oxide dissolves in water it becomes an acid
  3. 8. A substance that can burn material and the skin
  4. 10. The measurements used to determine how acid or basic a substance is.
  5. 13. When an acid and a base combine. This makes the acid less acidic or neutral.
  6. 15. These are dyes prepared by natural vegetables.
  7. 16. An indicator that has a red acid and blueish base colour
Down
  1. 1. Indicator Is a pH indicator that is made up of several compounds
  2. 3. A common laboratory acid
  3. 4. When the oxide dissolves in water it becomes a basic
  4. 5. A substance that is neither an acid nor a base
  5. 7. It makes the mixture weaker or less concentrated
  6. 9. An acid can be identified by the ______ element in the front of its chemical formula
  7. 11. A substance with a pH balance value of 7-14
  8. 12. Particles that have an electric charge
  9. 14. A substance with a pH value of 1-7