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Test your understanding with targeted questions related to the topic.
Question 1
Easy
What does the Law of Conservation of Mass state?
π‘ Hint: Think about what happens to mass in a chemical reaction.
Question 2
Easy
Provide an example of a closed system.
π‘ Hint: Consider situations where products of a reaction stay contained.
Practice 4 more questions and get performance evaluation
Engage in quick quizzes to reinforce what you've learned and check your comprehension.
Question 1
What does the Law of Conservation of Mass state?
π‘ Hint: Recollect situations where mass stays consistent.
Question 2
True or False: In a chemical reaction, the mass of the products can be different from the mass of the reactants.
π‘ Hint: Think if this principle can ever be violated.
Solve and get performance evaluation
Push your limits with challenges.
Question 1
In a closed container, solid A reacts with liquid B to form gas C. If the initial mass is 80 grams and the final mass is 80 grams, describe what would happen if the system were opened.
π‘ Hint: Consider what happens to weight in open vs closed systems.
Question 2
A chemical reaction in a factory initially weighs 200 kg of reactants. After the reaction, 199 kg of products are collected. Discuss possible reasons for the discrepancy.
π‘ Hint: Think about everyday examples of losing material during a reaction.
Challenge and get performance evaluation