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 chemical formula of water?
💡 Hint: Remember the components of water.
Question 2
Easy
How many hydrogen atoms are in one molecule of water?
💡 Hint: Think about the formula H₂O.
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 chemical formula of water?
- H₂O
- HO
- OH₂
💡 Hint: Look for the correct formula that represents water.
Question 2
Water is made up of?
- True
- False
💡 Hint: Recall the definition of water's composition.
Solve 1 more question and get performance evaluation
Challenge Problems
Push your limits with challenges.
Question 1
Given that water has a mass composition of about 11% hydrogen, calculate the mass of hydrogen in 10 grams of water.
💡 Hint: Use the percentage to find the mass based on the total.
Question 2
Explain how the composition of water contributes to its properties as a solvent in both biological and industrial contexts.
💡 Hint: Think about how substances interact with water in different settings.
Challenge and get performance evaluation