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Fun, engaging games to boost memory, math fluency, typing speed, and English skills—perfect for learners of all ages.
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Practice Questions
Test your understanding with targeted questions related to the topic.
Question 1
Easy
What is a solute?
💡 Hint: Think about what is mixed into water, like sugar.
Question 2
Easy
Provide an example of a basic substance.
💡 Hint: Consider what you might use in cooking or cleaning.
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 7 indicate?
- Acidic
- Neutral
- Basic
💡 Hint: Remember the midpoint of the pH scale.
Question 2
True or False: Acids taste sweet.
- True
- False
💡 Hint: Think of citric fruits like lemons.
Solve 3 more questions and get performance evaluation
Challenge Problems
Push your limits with challenges.
Question 1
If a student mixes 50 mL of 0.1M hydrochloric acid with 50 mL of 0.1M sodium hydroxide, what is the resulting pH after the reaction?
💡 Hint: Consider the balance in H⁺ and OH⁻ ions.
Question 2
How would you explain the impact of acid rain on freshwater ecosystems?
💡 Hint: Think about how pH affects living organisms.
Challenge and get performance evaluation