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Practice Questions
Test your understanding with targeted questions related to the topic.
Question 1
Easy
What does the Law of Constant Proportions state?
💡 Hint: Think about how compounds are structured.
Question 2
Easy
Give an example of a chemical compound that follows this law.
💡 Hint: Consider the elements involved in water.
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 is the main statement of the Law of Constant Proportions?
- Compounds can have varying compositions
- Compounds are made up of fixed proportions by mass
- Compounds are always made of one type of element
💡 Hint: Think about the consistency of compounds.
Question 2
True or False: The composition of water changes based on the amount of water.
- True
- False
💡 Hint: Recall the mass percentages of hydrogen and oxygen.
Solve and get performance evaluation
Challenge Problems
Push your limits with challenges.
Question 1
Calculate the mass of hydrogen needed to create 50 g of water using the Law of Constant Proportions.
💡 Hint: Use the ratios provided.
Question 2
If a compound is analyzed and found to be 60% oxygen and 40% carbon, deduce its empirical formula.
💡 Hint: Convert masses to moles to find the simplest whole-number ratio.
Challenge and get performance evaluation