1.2.2 - Classification of Matter
Enroll to start learning
You’ve not yet enrolled in this course. Please enroll for free to listen to audio lessons, classroom podcasts and take practice test.
Practice Questions
Test your understanding with targeted questions
Define a pure substance.
💡 Hint: Think about what elements and compounds are.
Give an example of a heterogeneous mixture.
💡 Hint: What can you see in a bowl of salad?
4 more questions available
Interactive Quizzes
Quick quizzes to reinforce your learning
What is a pure substance?
💡 Hint: Think of substances like gold or water.
True or False: A salad is a homogeneous mixture.
💡 Hint: Can you see its individual parts?
Get performance evaluation
Challenge Problems
Push your limits with advanced challenges
Given a solution made by mixing salt into water, explain how to classify this solution, and how would you separate the salt from the water?
💡 Hint: Think about everyday cooking processes.
You have two samples: a block of pure gold and a cup of lemonade. Classify each sample and describe the methods that could distinguish between the two types of matter.
💡 Hint: Consider what tests apply to metals vs. liquids.
Get performance evaluation
Reference links
Supplementary resources to enhance your learning experience.