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Practice Questions
Test your understanding with targeted questions related to the topic.
Question 1
Easy
Define reactants.
💡 Hint: Look for the substances before the arrow in a reaction.
Question 2
Easy
What is an indicator of a chemical reaction?
💡 Hint: Think about visible changes when a reaction occurs.
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 reactants in a chemical reaction?
💡 Hint: They are found on the left side of a chemical equation.
Question 2
Which type of reaction involves one element replacing another?
- A. Synthesis
- B. Single Replacement
- C. Decomposition
💡 Hint: Think of an exchange scenario in everyday life.
Solve 3 more questions and get performance evaluation
Challenge Problems
Push your limits with challenges.
Question 1
A company wants to utilize a catalyst in a reaction between ethylene gas and bromine. Explain how this catalyst might affect the reaction time and product yield.
💡 Hint: Consider how catalysts work in facilitating reactions.
Question 2
Given the reaction: N₂ + 3H₂ → 2NH₃, if 2 moles of N₂ and 9 moles of H₂ are present, how many moles of NH₃ can be produced? Show your calculations.
💡 Hint: Determine the limiting reactant to find the amount of product formed.
Challenge and get performance evaluation