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Practice Questions
Test your understanding with targeted questions related to the topic.
Question 1
Easy
What does an acid do to blue litmus paper?
💡 Hint: Think about the color change.
Question 2
Easy
Give one example of a common base.
💡 Hint: Consider what you use in cooking.
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 pH value indicates a strong acid?
- 10
- 7
- 1
- 14
💡 Hint: Remember the pH scale.
Question 2
True or False: Bases increase the concentration of H+ ions in solution.
- True
- False
💡 Hint: Think about how bases are defined.
Solve and get performance evaluation
Challenge Problems
Push your limits with challenges.
Question 1
If a solution has a pH of 5, is it acidic or basic? Compare it with a solution that has a pH of 9.
💡 Hint: Refer to the pH scale.
Question 2
Why do we need to be careful when combining concentrated acids with water, and what could happen if we do it the wrong way?
💡 Hint: Think about the danger of a large heat release.
Challenge and get performance evaluation