Practice Exothermic Reactions (2.4.1) - Chemical Changes and Reactions
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Exothermic Reactions

Practice - Exothermic Reactions

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Practice Questions

Test your understanding with targeted questions

Question 1 Easy

Define an exothermic reaction.

💡 Hint: Think about energy change in the reaction.

Question 2 Easy

Give an example of an exothermic reaction.

💡 Hint: Consider everyday activities like cooking or heating.

4 more questions available

Interactive Quizzes

Quick quizzes to reinforce your learning

Question 1

What type of reaction releases heat?

Exothermic
Endothermic
Isothermal

💡 Hint: Think about the meaning of 'exo'.

Question 2

True or False: An exothermic reaction absorbs heat from the environment.

True
False

💡 Hint: Remember the definition of exothermic.

1 more question available

Challenge Problems

Push your limits with advanced challenges

Challenge 1 Hard

If 50 grams of wood is burned completely, releasing 2100 kJ of energy, what is the energy change if 20 grams are burned?

💡 Hint: Use simple proportions based on the mass of wood.

Challenge 2 Hard

Describe a real-life situation where exothermic reactions are utilized for safety measures.

💡 Hint: Consider how heat packs work by chemical activation.

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