1.4.1 - Questions on Chemical Reactions
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Practice Questions
Test your understanding with targeted questions
What happens when magnesium burns in the air?
💡 Hint: Think about the products of burning metals.
What is a chemical reaction?
💡 Hint: It involves changes in substances.
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Interactive Quizzes
Quick quizzes to reinforce your learning
What does a skeletal equation show?
💡 Hint: Think of the simplest representation of a reaction.
True or False: Chemical equations must always be balanced.
💡 Hint: Remember the law of conservation.
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Challenge Problems
Push your limits with advanced challenges
Balance the equation for the combustion of propane: C3H8 + O2 → CO2 + H2O.
💡 Hint: Use the hit-and-trial method to balance each element.
Describe in detail the process of balancing a skeletal reaction, then perform it for: Fe + O2 → Fe2O3.
💡 Hint: Check reactants against products for balance.
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Reference links
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