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Exercise 3 - questions 1. what types of properties about the substance that you tested did you use to determine whether you thought it was an acid or base?

Sagot :

There are some types of properties about the substance that you tested did you use to determine whether you thought it was an acid or base. Some are given below.

  • Litmus paper : If a blue litmus paper turns red the solution is acid, it means its pH level is less than 7. If a red litmus paper turns blue the solution is basic,It means its pH level is more than 7.
  • Indicators : Different indicators is used to determine whether a solution is acidic or basic. The common examples of indicators are methyl orange and phenolpthalein .

Substances that are used to determine whether a particular substance is an acid or  base are called indicator. The indicator is a dye that is weak an organic acid or base that changes color when it is added to an acid and base.

To learn more about Litmus paper

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