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प्रश्न
Give reasons.
Most industries are concentrated around coal mines.
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उत्तर
Coal is the most abundant fossil fuel. It is widely used as a source of energy. It is also used as a raw material in several industries. Most industries are located around coal mines as being situated close to coal mines proves to be cost effective. Coal can easily be transported from the mines to the industries, and this reduces both time and cost of transportation.
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संबंधित प्रश्न
Which of the different varieties of coal is used for domestic purposes and why?
Name two industries that use a high quantity of coal.
Why is petroleum often referred to as “liquid gold”?
Give reason.
Petroleum is referred to as “black gold”.
Why petroleum is called mineral oil? Write its two uses.
Name any two important petroleum drilling centres for each of these states:
(i) Gujarat (ii) Assam
Name two oil refineries in the public sector one each in Assam and Gujarat.
Name the following:
Coal mine in Orissa.
Name two coastal oil-refineries in India.
Give two advantages of using Natural gas over coal.
