Which mineral is known as black gold?

1.	Which mineral is known as black gold?
Answer» Answer: Coal is known as the BLACK gold . EXPLANATION: Coal is called black gold because it is black in colour and it is costly too.It is USED in wide range of industrial applications and creates a POSITIVE IMPACT on the economic development of the country. Thus it's value is compared with that of Gold.

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Answer:

Coal is known as the BLACK gold .

Coal is called black gold because it is black in colour and it is costly too.It is USED in wide range of industrial applications and creates a POSITIVE IMPACT on the economic development of the country. Thus it's value is compared with that of Gold.

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Which mineral is known as black gold? ​

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Which mineral is known as black gold?