Grade 12 Chemical Equations Worksheet
A comprehensive worksheet for Grade 12 Chemistry students covering balancing chemical equations, types of reactions, stoichiometry, and reaction prediction.
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Standards
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Grade 12 Chemical Equations Worksheet
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Date:
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Read each question carefully and provide clear, concise answers. Show all your work for calculations.
1. Which of the following best describes a balanced chemical equation?
The number of molecules on both sides are equal.
The total mass of reactants equals the total mass of products.
The coefficients are all 1.
The number of elements on the reactant side is half of the product side.
2. What type of reaction is represented by: AB + C → AC + B?
Synthesis
Decomposition
Single Displacement
Double Displacement
3. The law of states that matter cannot be created or destroyed in a chemical reaction.
4. In a chemical equation, the substances on the left side of the arrow are called , while those on the right are called .
5. Balance the following chemical equation:
Fe₂O₃ + CO → Fe + CO₂
6. Balance the following chemical equation:
C₃H₈ + O₂ → CO₂ + H₂O
7. A catalyst is consumed during a chemical reaction.
True
False
8. In an exothermic reaction, heat is absorbed from the surroundings.
True
False
9. Given the balanced equation: 2H₂ + O₂ → 2H₂O. If you start with 4 moles of H₂, how many moles of H₂O can be produced? Show your calculations.
10. Predict the products and balance the following single displacement reaction:
Al + CuSO₄ →
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