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6. What Ph level does a solution need to be in order to be neutral?

  • 5
  • 7
  • 0
  • 12

7. What is the purpose of a Ph scale?

  • To measure how acidic or alkali a solution is
  • To tell the difference between an acid and an alkaline
  • To measure the temperature of a solution
  • To determine whether the compound is an acid or a base

8. Which answer is an example of an acid?

  • Oven cleaner
  • Indigestion tablets
  • Milk
  • Toothpaste

9. What is the range for a solution to be an acid?

  • 7
  • Less than 7
  • More than 7
  • More than 9