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 primary use of acids in metal extraction?
💡 Hint: Think about the chemical properties of acids.
Question 2
Easy
Name one common acid used in metal extraction.
💡 Hint: Consider commonly known strong acids.
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
Which acid is commonly used for the extraction of metals in environmental samples?
- Acetic Acid
- Nitric Acid
- Sulfuric Acid
💡 Hint: Think of strong acids commonly used in laboratories.
Question 2
True or False: Glass filters are preferable for all types of metal extraction.
- True
- False
💡 Hint: Consider the properties of materials in chemical reactions.
Solve 1 more question and get performance evaluation
Challenge Problems
Push your limits with challenges.
Question 1
You have a sample containing both iron and silicon. Describe the steps you would use to analyze for iron while avoiding contamination from silicon.
💡 Hint: Consider separation techniques and extraction methods.
Question 2
A new type of eco-friendly acid is developed for metal extraction. Discuss potential advantages and gather data on its effectiveness compared to standard acids.
💡 Hint: Think about environmental benefits alongside analytical effectiveness.
Challenge and get performance evaluation