Practice Exothermic Reactions - 5.1 | 6. Chemical Reactions | ICSE Class 8 Chemistry
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Exothermic Reactions

5.1 - Exothermic Reactions

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Practice Questions

Test your understanding with targeted questions

Question 1 Easy

What is an exothermic reaction?

💡 Hint: Think about what happens in a fireplace.

Question 2 Easy

Name an example of an exothermic reaction.

💡 Hint: What do we burn to produce heat and light?

4 more questions available

Interactive Quizzes

Quick quizzes to reinforce your learning

Question 1

What happens in an exothermic reaction?

Heat is absorbed
Heat is released
Temperature stays the same

💡 Hint: Think of combustion reactions.

Question 2

Is combustion an example of an exothermic reaction?

True
False

💡 Hint: Consider what happens when wood burns.

1 more question available

Challenge Problems

Push your limits with advanced challenges

Challenge 1 Hard

A candle burns releasing heat at a rate of 20 kJ/h. If the candle burns for 3 hours, how much total heat is released?

💡 Hint: Use the formula: Power x Time = Total Heat.

Challenge 2 Hard

If a chemical reaction releases 1500 kJ of energy, how would you classify this reaction?

💡 Hint: Consider the definition of energy release.

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