science
Grade-4-
Easy
Question
Which of the following rock is used as fuel?
- Granite
- Quartzite
- Limestone
- Anthracite
Hint:
Anthracite
The correct answer is: Anthracite
Anthracite is a type of metamorphic rock formed from the remains of plants and is used as a coal with the highest percentage of carbon among coals.
it is used as fuel for multiple functions i.e electricity generation,steel generation etc
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