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Practice Questions
Test your understanding with targeted questions related to the topic.
Question 1
Easy
Define a compound.
💡 Hint: Think about the elements and their chemical combinations.
Question 2
Easy
What happens to the properties of elements when they form a compound?
💡 Hint: Consider the iron and sulfur example.
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 defines a compound?
- A. A mixture of elements
- B. A blend of gases
- C. Two or more elements chemically combined
- D. A collection of physical substances
💡 Hint: Think about how elements combine.
Question 2
True or False: Compounds can be separated by physical means.
- True
- False
💡 Hint: Think about the properties that remain intact in mixtures.
Solve 1 more question and get performance evaluation
Challenge Problems
Push your limits with challenges.
Question 1
Given powdered sodium and chlorine gas, describe the expected outcome of heating these substances together. What type of product would result, and how could it be represented chemically?
💡 Hint: Think about how common salt is formed.
Question 2
Design an experiment to demonstrate the difference between a mixture and a compound using materials available in a typical kitchen. Describe your procedure and the expected results.
💡 Hint: Think about what happens before and after chemical reactions in your kitchen.
Challenge and get performance evaluation