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Practice Questions
Test your understanding with targeted questions related to the topic.
Question 1
Easy
What does a pH of 7 indicate?
💡 Hint: Think of pure water.
Question 2
Easy
What does it mean if a solution has a pH less than 7?
💡 Hint: Remember that lemon juice is acidic.
Practice 4 more questions and get performance evaluation
Interactive Quizzes
Engage in quick quizzes to reinforce what you've learned and check your comprehension.
Question 1
What does a pH of 14 indicate?
- Acidic solution
- Neutral solution
- Basic solution
💡 Hint: Think about the end of the scale.
Question 2
True or False: Lemon juice has a pH greater than 7.
- True
- False
💡 Hint: Remember the pH of lemon juice.
Solve and get performance evaluation
Challenge Problems
Push your limits with challenges.
Question 1
A solution has a pH of 3. If you add a strong base, what do you expect to see in terms of pH change, and what color would a universal indicator show?
💡 Hint: Think about how bases react with acids.
Question 2
Calculate the pH change if the hydrogen ion concentration increases tenfold in a solution initially at pH 7.
💡 Hint: How does pH relate to hydrogen ion concentration?
Challenge and get performance evaluation