Recent Lessons

Show all results for ""

Feature Overview

Ace your exams with our all-in-one platform for creating and sharing quizzes and tests.

Quizzes

Create quizzes and tests automatically from your content using AI.

Flashcards

Automatically turn your notes into digital flashcards.

Share, Export & Embed

Share with classmates or export to Excel and your learning management system.

Stats & Reporting

Auto-grading quizzes and tests with detailed stats and reports.

Mobile Apps

The smarter way to study – wherever you are.

Pricing

Search...

10 Questions

0 Views

Coal as a Future Fuel Source

Choose a study mode

Play Quiz

Study Flashcards

Spaced Repetition

Chat to lesson

Podcast

Play an AI-generated podcast conversation about this lesson

Questions and Answers

What is a significant environmental impact associated with burning coal?

Release of carbon dioxide into the atmosphere (correct)

Enhanced air quality due to burning coal

Increase in coal reserves in inaccessible locations

Reduction in the total amount of coal available

What is the main component of coal that contributes to environmental issues when burned?

Nitrogen

Oxygen

Hydrogen

Carbon (correct)

Why does burning coal contribute to the buildup of 'greenhouse gases' in the atmosphere?

Coal converts to oxygen during combustion

Coal releases carbon dioxide when burned (correct)

Coal absorbs infrared radiation

Coal traps heat underground

What is the primary reason why burning coal is problematic for the environment?

It leads to the emission of pollutants and greenhouse gases Signup and view all the answers

What happens when coal is undisturbed in the earth, according to the text?

It does not impact the environment Signup and view all the answers

What term is used to describe the process where the glass of a greenhouse acts similarly to the gases in the atmosphere?

Greenhouse effect Signup and view all the answers

What are the impurities that combine with water vapor and fall to the earth as acid rain?

Sulfur and nitrogen Signup and view all the answers

What is the primary role of flue gas desulfurization systems, also known as 'scrubbers'?

To remove sulfur dioxide from flue gas Signup and view all the answers

What is the purpose of using low-NOx burners when coal is burned?

To restrict oxygen and manipulate combustion process Signup and view all the answers

What does CCS stand for in the context of cleaning coal and preventing harm to the atmosphere?

Carbon Capture and Storage Signup and view all the answers