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Practice Questions
Test your understanding with targeted questions related to the topic.
Question 1
Easy
What color does litmus paper turn in acidic solutions?
💡 Hint: Think of the opposite color in bases.
Question 2
Easy
Phenolphthalein is colorless in which kind of solution?
💡 Hint: Remember its color change to pink.
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 litmus paper indicate?
- Acidity
- Basicity
- Both
💡 Hint: Consider its use in identifying both acidic and basic solutions.
Question 2
True or False: Phenolphthalein is pink in acidic solutions.
- True
- False
💡 Hint: Think about its color change in various pH levels.
Solve 1 more question and get performance evaluation
Challenge Problems
Push your limits with challenges.
Question 1
Analyze a scenario where a chemist uses phenolphthalein in a titration experiment. What pH range will inform them that they have reached neutrality?
💡 Hint: Recall what you know about pH levels.
Question 2
You have two solutions: one is acidic with methyl orange, and the other is basic with phenolphthalein. If you mix them, what possible color changes might you observe?
💡 Hint: Consider each solution's indicator properties during mixing.
Challenge and get performance evaluation