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 particulate matter (PM)?
💡 Hint: Think about what kinds of particles might be found in the air.
Question 2
Easy
Define vapor phase.
💡 Hint: Consider substances that can exist as gases at room temperature.
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 PM stand for?
- Particulate Matter
- Particle Measurement
- Pollutant Measure
💡 Hint: It's the term used for both solid particles and liquid droplets in the air.
Question 2
True or False: Gravimetry is used to measure the mass of air.
- True
- False
💡 Hint: Consider what gravimetry is actually measuring.
Solve 1 more question and get performance evaluation
Challenge Problems
Push your limits with challenges.
Question 1
Design an air quality monitoring strategy that effectively captures PM2.5 levels in a city prone to smog. What methods would you incorporate?
💡 Hint: Think about how different locations in the city might have varying levels of PM2.5.
Question 2
Critically assess the limitations of gravimetric analysis in the context of low concentration PM monitoring.
💡 Hint: What could happen if the mass of PM is too small to measure accurately?
Challenge and get performance evaluation