Chemistry 5070 · O Level · The characteristic properties of acids and bases

The characteristic properties of acids and bases — practice question

Sodium chloride is dissolved in distilled water. Universal indicator is then added to the solution. What colour does the universal indicator show?

  • Ablue (weak alkali)
  • Bgreen (neutral)
  • Cpurple (strong alkali)
  • Dred (acidic)

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