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6. What are the numbers on the Ph scale?

  • 1 - 20
  • 1 - 15
  • 1 - 14
  • 0 - 14

7. An alkali can be described as a ______ _____.

  • Soluble base
  • Insoluble base
  • Soluble substance
  • Insoluble substance

8. What is the name given to the reaction where an acid and an alkali mix to create a nuetral salt and water solution?

  • Nuetralisation
  • Reactation
  • Production
  • Saltation