Fossil Fuels — Flashcards
Telangana Board · Class 10 · Environmental Education
24 flashcards for Fossil Fuels (Telangana Board Class 10 Environmental Education) to test yourself on key terms and facts. Sample: "What are fossil fuels?"
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What are fossil fuels?
Answer
Fossil fuels are exhaustible, non-renewable basic sources of energy. They are used for household work, transport, and industrial activities.
Which fuels are used as sources of energy for cooking, heating, and burning in households?
Answer
Coal, kerosene, and LPG are sources of energy for cooking, heating, and burning in households.
Which fuels are used for transport and industry and are derived from fossil fuels?
Answer
Petrol and diesel are used for transport and industry, and both are derived from fossil fuels.
Why are fossil fuels called exhaustible resources?
Answer
They are called exhaustible because their supply is limited and they cannot be replaced quickly. Their reserves are finite, so they can get depleted with continuous use.
What is fuel wood?
Answer
Fuel wood is a renewable fuel source, but it is fast depleting because of excessive use. It is different from fossil fuels because fossil fuels are exhaustible.
What is the main source of electricity production mentioned in this chapter?
Answer
Electricity production is largely done by burning coal.
How can fossil fuels be conserved in daily life?
Answer
Fossil fuels can be conserved by using fuel carefully, avoiding wastage, cooking efficiently, and reducing repeated heating of food. Judicious use lowers consumption and also reduces the cost of livin…
Why should all cooking materials be arranged before lighting the stove?
Answer
If cooking materials are not arranged before lighting the stove, 135 g of gas costing Rs. 2.11 is wasted.
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