it leaves ashes
ash is burnt coal
The colour when coal is burnt is white,when it become ash
coal is made when you burn coal
coal is burnt and that produces energy
Coal took many million of years to form, and once burnt, only ashes remain. So coal is not reversible, or renewable.
ash is burnt coal
The colour when coal is burnt is white,when it become ash
coal is made when you burn coal
coal is burnt and that produces energy
Coal took many million of years to form, and once burnt, only ashes remain. So coal is not reversible, or renewable.
Titanic had 159 furnaces burning over 600 tons of coal a day.
At the power plant.
it melts
Coal can be burnt and used as a heat source
The small pieces of unburnt coal left over when most of the coal has burnt to ash.
It is the residue (ash) which is left after the carbon materials are burnt off
methane