Chapter 3 of 5
Syllabus
Coal and Petroleum — Syllabus
Gujarat Board · Class 8 · Science
What Coal and Petroleum covers in Gujarat Board Class 8 Science: 4 topics, for the 2026-27 session. Part of the Gujarat Board Class 8 Science syllabus.
45 questions5 concepts
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4 Topics · Gujarat Board Class 8 Science · 2026-27
Topics in Coal and Petroleum
1
Natural Resources: Exhaustible and Inexhaustible
- Natural resources are materials obtained from nature that are used by living beings.
- Inexhaustible Natural Resources: Present in unlimited quantity; cannot be exhausted by human activities. Examples: Sunlight, Air.
- Exhaustible Natural Resources: Present in limited quantity; can be exhausted by human activities. Examples: Coal, Petroleum, Natural Gas, Forests, Wildlife, Minerals.
2
Coal: Formation, Types of Products and Uses
- Coal is a hard, black substance found under the earth. It is mainly made up of carbon.
- FORMATION OF COAL: About 300 million years ago, dense forests in low-lying wetland areas got buried under soil due to natural processes like flooding. Over time, more soil deposited, compressing the d
- The slow process of conversion of dead vegetation into coal is called CARBONISATION.
3
Petroleum: Formation, Refining and Products
- Petroleum is a dark oily liquid with an unpleasant odour found between rocks under the earth. The word comes from 'petra' (rock) and 'oleum' (oil).
- FORMATION OF PETROLEUM: Petroleum was formed from organisms (plants and animals) living in the sea. When these organisms died, their bodies settled at the sea bottom and got covered with layers of san
- The layer containing petroleum and natural gas is above the water layer because oil and gas are lighter than water and do not mix with it.
4
Petroleum Products and Their Uses (Important Table)
- 1. LPG (Liquefied Petroleum Gas) → Fuel for home cooking and industry
- 2. Petrol → Motor fuel (cars, scooters), aviation fuel, solvent for dry cleaning
- 3. Kerosene → Fuel for stoves and lamps, fuel for jet aircraft
Key Concepts
Fossil fuels are energy sources formedCoal is a blackWhen coal is processed in industryPetroleum (meaning 'rock oil') was formedPetroleum refining is the process
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Start This ChapterFrequently Asked Questions
What are the important topics in Coal and Petroleum for Gujarat Board Class 8 Science?
Key topics in Coal and Petroleum include Natural Resources: Exhaustible and Inexhaustible, Coal: Formation, Types of Products and Uses, Petroleum: Formation, Refining and Products, Petroleum Products and Their Uses (Important Table). Study these first, then practise questions on each for Class 8 exams.
How should I revise Coal and Petroleum for Class 8 exams?
Learn the core ideas first, then work through the 45 practice questions on Coal and Petroleum. Revise definitions regularly and use flashcards for quick recall before the exam.
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Content is aligned to the official syllabus. Refer to the board website for the latest curriculum.
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