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प्रश्न
Give reason.
Petroleum is referred to as “black gold”.
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उत्तर
The term “black gold” is used with reference to petroleum and its various derivatives. The word “black” refers to the colour of petroleum in its crude form. The word “gold” implies that petroleum and all the various products of petroleum (like diesel, petrol, kerosene, wax, plastics and lubricants) are as valuable to human society as the metal gold.
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संबंधित प्रश्न
Highlight the importance of petroleum
Mention one advantage of the use of natural gas over coal or petroleum
Give reasons.
Most industries are concentrated around coal mines.
Which state is the leading producer of the following minerals?
(i) Coal (ii) Oil (iii) Manganese.
Which varieties of coal is used for domestic purposes and why?
Give geographical reasons for the following:
Anthracite is used for domestic purposes.
Give geographical reasons for the following:
Oil refineries are located close to oil fields or near ports.
Name the following:
Oldest coal mine
Name the following:
Coal mine in Orissa.
Name two states where coal is mined in abundance.
