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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
Define a solute.
💡 Hint: Think of common drinks where one ingredient is mixed into another.
Question 2
Easy
What is a solvent?
💡 Hint: It is usually present in a larger amount in a solution.
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
Which of the following substances dissolves well in water?
- Oil
- Sugar
- Grease
💡 Hint: Remember what kinds of things we add to water.
Question 2
True or False: Non-polar solvents can dissolve polar solutes.
- True
- False
💡 Hint: Think about the interactions of different types of molecules.
Solve 1 more question and get performance evaluation
Challenge Problems
Push your limits with challenges.
Question 1
A student places sugar in hot water and in cold water. Describe what happens in each case and why the temperature plays a role.
💡 Hint: Think about how heat affects movement.
Question 2
Explain why oil and water do not mix. Include the concepts of polarity in your explanation.
💡 Hint: Consider how opposites interact.
Challenge and get performance evaluation