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 are the reactants in the equation 2H₂ + O₂ → 2H₂O?
💡 Hint: Think about what is on the left side of the equation.
Question 2
Easy
In a balanced equation, what must be true about the number of atoms?
💡 Hint: Consider conservation of mass.
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 is the key principle behind balancing chemical equations?
- Mass can be created
- Atoms must be conserved
- Only products are important
💡 Hint: Remember the law of conservation of mass.
Question 2
Are coefficients the same as subscripts in a chemical formula?
- True
- False
💡 Hint: Think about how you would write the formula.
Solve 2 more questions and get performance evaluation
Challenge Problems
Push your limits with challenges.
Question 1
Balance the following reaction: C₄H₁₀ + O₂ → CO₂ + H₂O.
💡 Hint: Start by balancing carbon and then proceed to hydrogen, finally addressing oxygen.
Question 2
Discuss the implications of failing to balance a chemical equation in a laboratory experiment.
💡 Hint: Think about what reactions might go wrong if not balanced properly.
Challenge and get performance evaluation