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How does coal burn if it is a rock?

Updated: 9/16/2023
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14y ago

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Coal is very light even though it is rock. Coal consists largely of carbon formed from decomposed vegetation much like oil and tar. It burns because it is like oil or tar but in rock formation.

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Q: How does coal burn if it is a rock?
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Related questions

Is it possible to burn a rock or melt a rock?

Yes it is possible. Coal, for example.


Can friable rock burn easily?

It depends, really. A rock's friability is the ability of a rock to easily be broken into smaller pieces(easy in the sense of hitting it with your hand). Whether or not a rock can burn is based more off of a rock's composition. For example, coal will burn, quartz will not. Rocks made up of organic material(coal, peat, lignite, oil shale) will burn - hence, fuel. A rock can, though, be organic and friable. So its possible to have a friable rock that can burn. But ignition isn't dependent upon friability.


Why is the rock coal valuable?

it's valuable because we burn it in power plants for energy


What happens when coal is burn without oxygen?

Coal cannot burn without oxygen.


Is the origin of diamonds rock or coal?

rock coal


What if we put coal on ice and burn the coal?

it will burn it would probably burn at first and melt the ice and water does not encourage burning so the coal stops burning


What happens when you burn coal?

When you burn coal in air you create carbon dioxide. I hopethis was helpful.


Is coal an inorganic rock?

No. Coal is an organic sedimentary rock.


Is coal an igneous rock sedimentary rock or metamorphic rock?

Bituminous coal is consided a sedimentary rock. Anthracite coal is bituminous coal that has been metamorphosed by great pressure and heat and is considered a metamorphic rock.


Is coal related to rock?

Coal is a form of rock. It is an organically formed sedimentary rock.


What is the parent rock for anthracite coal?

Peat (not much of a rock).


Is coal harder or softer than rock?

Coal is considered to be a rock.