Combustion Reactions Worksheet
Explore the fundamentals of combustion reactions, including reactants, products, types, and energy changes, suitable for Grade 9 science students.
Includes
Standards
Topics
Combustion Reactions
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Date:
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Read each question carefully and provide your best answer. Show all your work for calculations.
1. Which of the following is NOT a necessary component for a combustion reaction to occur?
Fuel
Oxygen
Water
Heat
2. What are the primary products of complete combustion of a hydrocarbon?
Carbon monoxide and water
Carbon dioxide and water
Carbon and oxygen
Hydrogen and carbon
3. The process of combustion is an reaction, meaning it releases energy in the form of heat and light.
4. Incomplete combustion occurs when there is insufficient available to fully react with the fuel.
5. The fire triangle consists of three elements: fuel, oxygen, and .
6. All combustion reactions produce a visible flame.
True
False
7. Rusting is an example of a slow combustion reaction.
True
False
8. Describe the difference between complete and incomplete combustion.
Match the term on the left with its definition on the right.
9. Reactant
a. A substance formed as a result of a chemical reaction.
10. Product
b. A substance present at the start of a chemical reaction.