Mineral and Energy Resources II
ICSE · Class 10 · Geography
Flashcards for Mineral and Energy Resources II — ICSE Class 10 Geography. Quick Q&A cards covering key concepts, definitions, and formulas.
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Get startedWhat are conventional energy sources?
Answer
Conventional energy sources are energy sources that cannot be replaced quickly after use. Coal, petroleum, and natural gas are conventional or non-renewable energy sources.
What is coal?
Answer
Coal is a conventional source of energy. It is an inflammable organic substance composed of hydrocarbons found in sedimentary rocks, and it is the main source of power generation in India.
What are the four varieties of coal by carbon content?
Answer
The four varieties are anthracite, bituminous coal, lignite, and peat. They are classified by the percentage of carbon present in them.
What is anthracite coal?
Answer
Anthracite is the best quality of coal. It contains over 80% carbon. It is hard, compact, and black in colour, and is found only in Jammu and Kashmir in small quantity.
Why is bituminous coal important?
Answer
Bituminous coal is the most widely used variety of coal. It contains about 60-80% carbon, has high calorific value, and is used for heating, steam raising, and coke production. It is found in Jharkhan…
What is lignite?
Answer
Lignite is also called brown coal. It is of inferior quality, friable in nature, and contains more moisture and less combustible matter. It is found in Palna in Rajasthan, Neyveli in Tamil Nadu, Lakhi…
What is peat in the coal formation process?
Answer
Peat is the first stage of transformation of wood to coal. It contains about 50-60% carbon and emits more smoke and ash after burning.
Why is coal called the backbone of power generation in India?
Answer
Coal is the main source of power generation in India. It also supplies energy to iron and steel industries and many chemical industries. Its wide availability and low cost make it very important for i…
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