Measuring pH

• What are the pH levels for acids, neutrals, and bases?

  • ACID: pH 0
  • NEUTRAL: pH 7
  • BASE: pH 14
• What does a universal indicator show for an acid?

  pH 0
• What does a universal indicator show for a neutral solution?

  pH 7
• What does a universal indicator show for a base?

  pH 14
• What is the function of litmus in pH testing?

  It changes colour of the whole solution
• What do pH probes and pH meters provide?

  A numerical value for pH
• How do you measure the volume of gases?

  • Use damp indicator paper
  • Test gases with a few drops of solution
  • Utilize pH probes and pH meters
• What type of paper is used for testing gases?

  Damp indicator paper
• What is the purpose of using a pH probe?

  To measure the pH numerically
• What is the purpose of using a pH meter?

  To provide a numerical pH value