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Practice Questions
Test your understanding with targeted questions related to the topic.
Question 1
Easy
What is a solution?
💡 Hint: Focus on the uniformity of the composition.
Question 2
Easy
Give an example of a heterogeneous mixture.
💡 Hint: Think of mixtures where you can see the individual parts.
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 type of mixture is saltwater?
- Heterogeneous
- Homogeneous
- Neither
💡 Hint: Consider how the solutes mix with the solvent.
Question 2
True or False: A solute is always a gas.
- True
- False
💡 Hint: Think of other solutes like sugar or salt.
Solve 1 more question and get performance evaluation
Challenge Problems
Push your limits with challenges.
Question 1
Calculate the mass of solute needed to create a solution if you want a 10% (w/v) solution of NaCl in 500 mL of water.
💡 Hint: Use the formula for percentage concentration: (mass of solute)/(volume of solution) * 100.
Question 2
Discuss why the temperature of a solvent affects the dissolution rate of solids and gases. Give examples.
💡 Hint: Link temperature with molecular movement.
Challenge and get performance evaluation