6.3.1.2 - The pH Scale
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Practice Questions
Test your understanding with targeted questions
What does pH stand for?
💡 Hint: Think about what the letter 'p' represents in the context.
What pH range indicates an acidic solution?
💡 Hint: Remember, we learned that it starts from a certain number.
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Interactive Quizzes
Quick quizzes to reinforce your learning
What does a pH of 8 indicate?
💡 Hint: Remember the pH scale we discussed.
True or False: A lower pH means a solution is less acidic.
💡 Hint: Think about what low numbers on the pH scale mean.
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Challenge Problems
Push your limits with advanced challenges
If stomach acid has a pH of 2 and vinegar has a pH of 3, how many times more acidic is stomach acid compared to vinegar?
💡 Hint: Use the difference in pH values to calculate.
If a pH meter reads a solution with a pH of 9, what would happen to the pH if you mixed it with a strong acid with a pH of 1 in equal amounts? Estimate what the resulting pH level might be.
💡 Hint: Think about how strong acids overwhelm basic solutions.
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