Correct Answer - Option 1 : B
The correct answer is Petrol.
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Petrol is black gold.
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Black gold is a term applied to oil or petroleum, which is black when it comes out of the ground and is worth a great deal of money.
- Prior to the mid-19th century, oil from animal tallow (fat) and whale blubber was used as a lubricant and fuel.
- Hence, option 1 is correct.
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Petroleum is referred to as “Black Gold.”
- This name itself is an indication of its importance to humans.
- Crude oil is considered to be the “mother of all commodities” as it is used to manufacture various products such as pharmaceuticals, plastics, gasoline, synthetic fabrics, etc
- Petroleum or oil has also been the world’s leading source of energy since the 1950s.
- Petroleum is a liquid that occurs naturally in rock formations.
- This consists of a complex mixture of different molecular weights of hydrocarbons, plus other organic compounds.
- Some petroleum-produced chemical compounds are also obtained from other fossil fuels.
