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 the pH of a neutral solution?
💡 Hint: Think of pure water at 25 °C.
Question 2
Easy
Is a solution with pH 5 acidic or basic?
💡 Hint: Remember the scale definition!
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 pH measure?
💡 Hint: It is a scale commonly used in chemistry.
Question 2
True or false: A solution with a pH of 5 is neutral.
💡 Hint: Remember the definitions of acidic, neutral, and basic solutions.
Solve and get performance evaluation
Challenge Problems
Push your limits with challenges.
Question 1
Calculate the pH of a 0.001 M solution of hydrochloric acid.
💡 Hint: Use the pH formula directly on the H⁺ concentration.
Question 2
Explain why the pH of a solution changes when an acid is diluted by adding water.
💡 Hint: Consider how dilution affects concentration and thus pH.
Challenge and get performance evaluation