no smoke is produced when you burn it init.
phosphoric acid is formed..
Coke is produced by the distillation of coal.
anthracite
lova rock
Coal dude :d
a Scrubber is used to remove smoke from burning coal
Coal is not produced it is mined (it is a natural resource/product). Coal is used (burned) as a source of enery and coal products (given off when coal is heated) are used in the chemical industry.
When a steam engine's fire is burning efficiently, it produces very little smoke and what you are really seeing is white steam. When coal has just been added to the fire, or the fire is burning inefficiently (perhaps too much coal) it produces grey or black smoke.
like smoke.
More than 70% of US electricity is produced from coal.
coal because it does make any smoke
heat energy is produced when you burn coal,oil and natral gas