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 main purpose of filtration in analytical chemistry?
💡 Hint: Think about how coffee is made.
Question 2
Easy
Which technique involves heating to remove a solvent?
💡 Hint: Consider processes used to obtain pure 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 technique separates solids from liquids?
- Evaporation
- Precipitation
- Filtration
💡 Hint: Consider coffee making to recall this process.
Question 2
True or False: Evaporation can leave behind soluble solids.
- True
- False
💡 Hint: Think about what happens to salt in seawater.
Solve 2 more questions and get performance evaluation
Challenge Problems
Push your limits with challenges.
Question 1
You are tasked with identifying the percentage of sodium chloride in a water sample. Describe how you would use evaporation and precipitation to achieve this.
💡 Hint: Consider how to obtain the solid first before determining its concentration.
Question 2
Suppose you have a mixture of different salts. Explain how you would use precipitation to separate specific ions from this mixture.
💡 Hint: Think about solubility rules when selecting reagents.
Challenge and get performance evaluation