Chemical Reactivity Worksheet
This worksheet covers fundamental concepts of chemical reactivity for Grade 10 science students, including types of reactions, factors affecting reaction rates, and chemical equations.
Includes
Standards
Chemical Reactivity
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Read each question carefully and answer to the best of your ability. Show all work for calculations.
1. Which of the following factors does NOT typically increase the rate of a chemical reaction?
Increasing temperature
Increasing surface area
Decreasing reactant concentration
Adding a catalyst
2. A chemical reaction that absorbs energy from its surroundings is called an reaction.
3. The minimum amount of energy required to initiate a chemical reaction is known as the energy.
4. Describe two observable signs that indicate a chemical reaction has occurred.
5. In a combustion reaction, oxygen is always a reactant.
True
False
Match the type of reaction with its general form.
6. Synthesis
a. AB + C → AC + B
7. Decomposition
b. A + B → AB
8. Single Displacement
c. AB + CD → AD + CB
9. Double Displacement
d. AB → A + B
10. Consider the reaction between hydrochloric acid (HCl) and sodium hydroxide (NaOH). Write the balanced chemical equation for this reaction and identify the type of reaction.
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