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 Liquid-Liquid Extraction?
💡 Hint: Think about mixing liquids.
Question 2
Easy
Name a safety concern when using organic solvents.
💡 Hint: Consider disposal issues.
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 Liquid-Liquid Extraction (LLE) involve?
- Using two immiscible liquids
- Using only water
- Using solids
💡 Hint: Think about the interaction between the two liquids.
Question 2
True or False: Solid-Phase Extraction does not involve solvents.
- True
- False
💡 Hint: Think about how the solid phase works in extraction.
Solve 2 more questions and get performance evaluation
Challenge Problems
Push your limits with challenges.
Question 1
You have a water sample containing organic pollutants. Explain how you would decide whether to use LLE or SPE based on the sample's characteristics.
💡 Hint: Analyze the properties of the pollutants.
Question 2
After extracting a compound from a solid sample, you find various interferences in your analysis. Describe the cleanup methods you could use.
💡 Hint: Think about different materials that interact differently with your target analyte.
Challenge and get performance evaluation