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Practice Questions
Test your understanding with targeted questions related to the topic.
Question 1
Easy
Define physical property.
💡 Hint: Think about how we can observe substances.
Question 2
Easy
Why is the SI system important in chemistry?
💡 Hint: Consider how different units could lead to confusion.
Practice 1 more question and get performance evaluation
Interactive Quizzes
Engage in quick quizzes to reinforce what you've learned and check your comprehension.
Question 1
What is a physical property?
- A property that requires a chemical change to observe
- A property that can be measured without changing substance identity
- A property that describes chemical reactivity
💡 Hint: Think about how substances are measured.
Question 2
True or False: Density is a measure of how much mass is contained in a given volume.
- True
- False
💡 Hint: Recall how density is formulated.
Solve and get performance evaluation
Challenge Problems
Push your limits with challenges.
Question 1
A sample of a liquid has a mass of 150 g and occupies a volume of 60 mL. What is its density?
💡 Hint: Apply the density formula accurately.
Question 2
If a substance has a density of 0.8 g/cm³, how much would 250 cm³ of this substance weigh?
💡 Hint: Utilize the density relationship correctly.
Challenge and get performance evaluation