Industry-relevant training in Business, Technology, and Design to help professionals and graduates upskill for real-world careers.
Fun, engaging games to boost memory, math fluency, typing speed, and English skills—perfect for learners of all ages.
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.
Test your understanding with targeted questions related to the topic.
Question 1
Easy
What is the mnemonic to remember oxidation and reduction?
💡 Hint: Think about what happens during each process.
Question 2
Easy
What is the oxidation state of sodium (Na) in NaCl?
💡 Hint: Consider sodium as a Group 1 metal.
Practice 4 more questions and get performance evaluation
Engage in quick quizzes to reinforce what you've learned and check your comprehension.
Question 1
What does oxidation refer to in modern chemistry?
💡 Hint: Remember the mnemonic OIL RIG.
Question 2
True or False: In a redox reaction, oxidation and reduction processes occur simultaneously.
💡 Hint: Think about how electrons are conserved.
Solve 1 more question and get performance evaluation
Push your limits with challenges.
Question 1
Balance the following redox reaction in acidic solution: Cr₂O₇²⁻ + Fe²⁺ → Cr³⁺ + Fe³⁺.
💡 Hint: Remember to account for H⁺ ions and worry about balancing charge.
Question 2
Identify the oxidizing and reducing agents in the equation: 2Mg + O₂ → 2MgO.
💡 Hint: Check the change in oxidation states of each element.
Challenge and get performance evaluation