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Practice Questions
Test your understanding with targeted questions related to the topic.
Question 1
Easy
What are reactants?
💡 Hint: Think about the starting materials.
Question 2
Easy
What are products?
💡 Hint: These are what you get after a reaction.
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 are the substances called that undergo a transformation in a chemical reaction?
- Reactants
- Products
- Catalysts
💡 Hint: Think about what you start with.
Question 2
True or False: Products are always the same as reactants.
- True
- False
💡 Hint: Consider what happens in a chemical reaction.
Solve 2 more questions and get performance evaluation
Challenge Problems
Push your limits with challenges.
Question 1
Examine the reaction 2H₂ + O₂ → 2H₂O. If you start with 4 moles of H₂ and 2 moles of O₂, how many moles of water can you produce?
💡 Hint: Use stoichiometry based on the coefficients of the balanced equation.
Question 2
In the reaction Zn + CuSO₄ → ZnSO₄ + Cu, if you have 10 grams of zinc and excess copper sulfate, how much copper can be obtained?
💡 Hint: Follow the mole ratio from the balanced equation for conversion.
Challenge and get performance evaluation