Practice Exercises - 3.7 | 3. COAL AND PETROLEUM | CBSE 8 Science
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3.7 - Exercises

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Practice Questions

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Question 1 Easy

What is carbonization?

💡 Hint: Think about what happens to plants over millions of years.

Question 2 Easy

Name one use of petroleum.

💡 Hint: Consider what fuels your vehicles.

4 more questions available

Interactive Quizzes

Quick quizzes to reinforce your learning

Question 1

What is the process called that converts dead plants into coal?

Refining
Carbonization
Combustion

💡 Hint: It's a slow process involving heat and pressure.

Question 2

True or False: Fossil fuels can be created in the laboratory.

True
False

💡 Hint: Recall the timeline of their formation.

2 more questions available

Challenge Problems

Push your limits with advanced challenges

Challenge 1 Hard

Given the historical data on fossil fuel consumption, predict the reserves depletion timeline if the current consumption rates double. Provide calculations to support your answer.

💡 Hint: Use the formula: Remaining Reserves / Consumption Rate to estimate.

Challenge 2 Hard

Analyze the environmental impacts of coal versus natural gas and suggest alternative energy sources that could mitigate these effects.

💡 Hint: Focus on the coal combustion versus natural gas combustion comparison.

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