Petroleum is referred to as “black gold” why
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17
Explanation:
petroleum is referred as Black gold because when crude oil is extracted from the land it is black in colour and it's called gold because of it's oil and value.
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9
Answer:
it is referred as black gold because petrol is transported through refineries where it is changed into gas lines and petrochemicals . petroleum refineries know as nodal industry for chemical fertilizers and synthetic textile industry as various products are obtained during refining petroleum it provide fuel for heating lightening vehicle and raw material for some manufacturing plastic it is so petroleum is known as black gold.
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