Practice Law of Conservation of Mass - 1.4 | 1. Matter | ICSE Class 11 Chemistry
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1.4 - Law of Conservation of Mass

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Learning

Practice Questions

Test your understanding with targeted questions related to the topic.

Question 1

Easy

What does the Law of Conservation of Mass state?

πŸ’‘ Hint: Think about what happens to mass in a chemical reaction.

Question 2

Easy

Provide an example of a closed system.

πŸ’‘ Hint: Consider situations where products of a reaction stay contained.

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 does the Law of Conservation of Mass state?

  • Mass can be created
  • Mass can be destroyed
  • Mass is neither created nor destroyed

πŸ’‘ 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.

  • True
  • False

πŸ’‘ Hint: Think if this principle can ever be violated.

Solve and get performance evaluation

Challenge Problems

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.

πŸ’‘ 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.

πŸ’‘ Hint: Think about everyday examples of losing material during a reaction.

Challenge and get performance evaluation