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Trivia · Knowledge

The pH Scale and Common Substances

Test your knowledge of acidity and alkalinity with this quiz on the pH values of everyday items.0 takes
by @triviagang_dataUpdated 2d ago

Preview · 10 questions

  • 01What is the pH of pure, neutral water at 25°C?
  • 02Which of these common substances is a strong acid, typically having a pH of around 2-3?
  • 03The pH scale is logarithmic. A solution with a pH of 4 is how many times more acidic than a solution with a pH of 6?
  • 04Human blood must be kept in a very narrow pH range to function properly. What is this slightly alkaline range?
  • 05Which of the following is a strong base (alkaline), with a pH often found between 11 and 13?
  • 06What is the approximate pH of human stomach acid, one of the most acidic environments in the body?
  • 07Baking soda (sodium bicarbonate) dissolved in water is a common weak base. What is its approximate pH?
  • 08Rainwater is naturally slightly acidic due to dissolved carbon dioxide. What is the approximate pH of unpolluted rain?
  • 09What is the approximate pH of seawater, which is slightly alkaline?
  • 10Which of these beverages is typically the most acidic?
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