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Practice Questions
Test your understanding with targeted questions related to the topic.
Question 1
Easy
What is a synthesis reaction? Give an example.
💡 Hint: Think of combining ingredients to make a dish.
Question 2
Easy
Name one indicator that a chemical reaction has occurred.
💡 Hint: Consider what you might see when cooking or mixing things.
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 type of reaction is represented by 2H₂ + O₂ → 2H₂O?
- Decomposition
- Synthesis
- Combustion
💡 Hint: Think about combining elements to create something new.
Question 2
True or False: In a combustion reaction, heat is released.
- True
- False
💡 Hint: Consider what happens when we burn something.
Solve 1 more question and get performance evaluation
Challenge Problems
Push your limits with challenges.
Question 1
Chemical A decomposes into B and C with a heat application of 150 °C. Write a balanced equation for the reaction if 2 moles of A yields 4 moles of B and 2 moles of C.
💡 Hint: Identify the coefficients needed for balancing. Follow the stoichiometric principles.
Question 2
Given the reaction Fe + CuSO₄ → FeSO₄ + Cu, is it a synthesis, decomposition, or replacement reaction? Justify your answer with the reaction type.
💡 Hint: Check if an element is displacing another in any compound.
Challenge and get performance evaluation