Professional Courses
Industry-relevant training in Business, Technology, and Design to help professionals and graduates upskill for real-world careers.
Categories
Interactive Games
Fun, engaging games to boost memory, math fluency, typing speed, and English skills—perfect for learners of all ages.
Typing
Memory
Math
English Adventures
Knowledge
Enroll to start learning
You’ve not yet enrolled in this course. Please enroll for free to listen to audio lessons, classroom podcasts and take practice test.
Practice Questions
Test your understanding with targeted questions related to the topic.
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?
Practice 4 more questions and get performance evaluation
Interactive Quizzes
Engage in quick quizzes to reinforce what you've learned and check your comprehension.
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.
Solve 1 more question and get performance evaluation
Challenge Problems
Push your limits with challenges.
Question 1
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.
Question 2
If a chemical reaction releases 1500 kJ of energy, how would you classify this reaction?
💡 Hint: Consider the definition of energy release.
Challenge and get performance evaluation