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Practice Questions
Test your understanding with targeted questions related to the topic.
Question 1
Easy
What is a pure substance?
💡 Hint: Think about what 'pure' means in daily life.
Question 2
Easy
Give an example of a homogeneous mixture.
💡 Hint: Consider solutions that look similar throughout.
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 is a pure substance?
- Air
- Oxygen
- Salad
💡 Hint: Think about what classifies a substance as 'pure'.
Question 2
True or False: A salt solution is a heterogeneous mixture.
- True
- False
💡 Hint: Consider how you see the salt in the solution.
Solve 2 more questions and get performance evaluation
Challenge Problems
Push your limits with challenges.
Question 1
You have a mixture of salt and sand. Describe how you would separate the two components and why the method works.
💡 Hint: Think about how solubility plays a role.
Question 2
What would happen if you dissolved salt in water and then filtered the mixture? Describe the resulting components.
💡 Hint: Consider the properties of solutes and solvents.
Challenge and get performance evaluation