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ICSE Class 10 Answered

Why is coal called black gold?
Asked by pb_ckt | 06 Feb, 2019, 02:50: PM
answered-by-expert Expert Answer

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.

Answered by Science Mate | 06 Feb, 2019, 03:56: PM

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