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 a half-equation?
💡 Hint: Think about how oxidation and reduction are represented separately.
Question 2
Easy
Why do we balance H⁺ ions in acidic conditions?
💡 Hint: Look at how hydrogen emerges from water, and what is used to balance it.
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 oxidation refer to in a redox reaction?
- Gain of electrons
- Loss of electrons
- No change
💡 Hint: Remember the acronym OIL RIG.
Question 2
True or False: Balancing charges requires that we add electrons.
- True
- False
💡 Hint: Think about how we can neutralize charge differences.
Solve 2 more questions and get performance evaluation
Challenge Problems
Push your limits with challenges.
Question 1
Balance the reaction: IO₃⁻ + C₂O₄²⁻ → I⁻ + CO₂ in acidic solution.
💡 Hint: Follow steps precisely, maintaining focus on electron transfer.
Question 2
Consider the reaction Cr₂O₇²⁻ + SO₃²⁻ → Cr³⁺ + SO₄²⁻. What are the steps involved in balancing it?
💡 Hint: Pay attention to charge and how many electrons are involved in each reaction.
Challenge and get performance evaluation