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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
Mention one advantage of the use of natural gas over coal or petroleum
The multi-purpose project based on the River Sutlej .
State one disadvantage of using coal as a source of power.
Where does India stand in the production of coal?
Where are oil deposits largely found in India?
Name an important coal producing State in India and a coal-mine located in that State.
Name any two important petroleum drilling centres for each of these states:
(i) Gujarat (ii) Assam
Name the following:
Oldest coal mine
Name the oldest and the largest coal field in India.
Name two coastal oil-refineries in India.
