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Fossil Fuels

Telangana Board · Class 10 · Environmental Education

Quick revision notes for Fossil Fuels — Telangana Board Class 10 Environmental Education. Key concepts, formulas, and definitions for last-minute revision.

45 questions24 flashcards5 concepts

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Key Topics to Revise

1

1. Meaning and Types of Fuels

  • Fossil fuels are exhaustible and non-renewable basic sources of energy.
  • Coal, kerosene, and LPG are used for cooking, heating, and burning in households.
  • Petrol and diesel are used for transport and industry and are derived from fossil fuels.
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2. Survey and Observation Method

  • At least 10 houses in the neighbourhood should be visited to study fuel use.
  • The types of fuel used for cooking, heating, and boiling water should be noted.
  • The type and condition of the chulha, burner, oven, and similar cooking arrangements should be observed.
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3. Ways to Save LPG and Other Household Fuels

  • Put on the stove only after arranging all necessary cooking materials; otherwise 135 gms of gas costing Rs. 2.11 is wasted.
  • Using pressure cookers saves 20% gas on rice and 41.5% gas on meat compared to other cooking means.
  • Using more water for cooking requires 65% more fuel, but filtering excess water may cause loss of nutrients.
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4. Limited Nature of Fossil Fuels

  • The supply of nonrenewable fossil fuels is very limited because reserves are finite.
  • Oil reserves are estimated to last 45 years.
  • Gas reserves are estimated to last 72 years.

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Full Notes

Key Concepts

Fossil fuels are exhaustible and nonCoalPetrol and diesel are usedA large fraction of electricityFuel wood is renewable

Frequently Asked Questions

What are the important topics in Fossil Fuels for Telangana Board Class 10 Environmental Education?
Fossil Fuels covers several key topics that are frequently asked in Telangana Board Class 10 board exams. Focus on the core concepts listed on this page and practise related questions to build confidence.
How to score full marks in Fossil Fuels — Telangana Board Class 10 Environmental Education?
Understand the core concepts first, then work through the 45 practice questions available for this chapter. Revise formulas and definitions regularly, and use flashcards for quick recall before the exam.

Sources & Official References

Content is aligned to the official syllabus. Refer to the board website for the latest curriculum.

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