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Balancing chemical equations practice
Students practice balancing chemical equations by identifying adjustable coefficients, understanding the law of conservation of mass, and sequencing the steps for balancing. They answer multiple-choice questions and complete fill-in-the-blank exercises to reinforce key concepts.
By Edform · Chemistry · Grade 9 · Published Oct 15, 2026 · New
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Questions
- Which number can be changed when balancing a chemical equation?
- Select all statements that are true about the law of conservation of mass in chemical reactions.
- Put the steps for balancing a chemical equation in the correct order.
- Fill in the blank: In the equation 2H₂ + O₂ → 2H₂O, the coefficient in front of H₂ is ___.
- Choose the correct word: Subscripts indicate the number of ___ of an element in a compound.
- Match each chemical equation with the number of oxygen atoms on the product side.
- What is the correct coefficient for O₂ to balance the equation: C₃H₈ + ___ O₂ → 3CO₂ + 4H₂O?
- Balance the equation: ___ Al + 3Br₂ → 2AlBr₃. What is the coefficient for Al?
- Decide if each statement about balancing equations is true or false.
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