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physical properties of coal and snow
Water
there is no new substance and it may be reversible by physical means
You to do everything
At the rate at which coal is being used curently, it is not.
Coal is considered to be a rock.
Burning coal is a chemical change. Anytime heat is released (as such in fire) it will be a chemical property change.
color
Due to physical property of hardness and usability of this natural resource
There are few medicines which contains coal without any justification. Coal is given in much larger quantity in various poisoning. So that it should adsorb various poisons by it's physical property.
physical properties of coal and snow
physical
a physical change
it is a physical toxicant
There is no antonym for coal. There usually are not antonyms for physical objects.
The sun?
The amount of coal is measured in tons and multiples.