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 mock test.
Practice Questions
Test your understanding with targeted questions related to the topic.
Question 1
Easy
What happens when magnesium burns in the air?
💡 Hint: Think about the products of burning metals.
Question 2
Easy
What is a chemical reaction?
💡 Hint: It involves changes in substances.
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 does a skeletal equation show?
- Only products
- Only reactants
- Chemical symbols and formulas
💡 Hint: Think of the simplest representation of a reaction.
Question 2
True or False: Chemical equations must always be balanced.
- True
- False
💡 Hint: Remember the law of conservation.
Solve and get performance evaluation
Challenge Problems
Push your limits with challenges.
Question 1
Balance the equation for the combustion of propane: C3H8 + O2 → CO2 + H2O.
💡 Hint: Use the hit-and-trial method to balance each element.
Question 2
Describe in detail the process of balancing a skeletal reaction, then perform it for: Fe + O2 → Fe2O3.
💡 Hint: Check reactants against products for balance.
Challenge and get performance evaluation