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Coal is the largest contributor to the human-made increase of CO2 in the air. In terms of carbon dioxide emissions, coal is slightly ahead of petroleum and about double that of natural gas.

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Q: Which produces more carbon dioxide when burnt - coal or oil?
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How does the carbon in coal become part of the carbon dioxide in the air?

When coal is burnt the chemical change combines carbon from the coal with oxygen from the air to produce carbon dioxide.


Burning coal produces the greenhouse gas carbon dioxide is this a false statement about the use of coal?

No, this is true. Coal is a fossil fuel which holds carbon which has been trapped underground for millions of years. When it is burnt the carbon dioxide is released where it adds to the greenhouse gases in the atmosphere.


Is coal recyclable?

Coal can not be recycled. Once it's burnt, it's just ash, carbon and carbon dioxide.


How is coal recycled?

Coal can not be recycled. Once it's burnt, it's just ash, carbon and carbon dioxide.


Burning coal produces which gas?

Burning coal in complete combustion of oxygen produces carbon-dioxide where as burning coal in limted amount of oxygen produces carbon-monoxide.


Why coal does not give out water?

Coal is an allotrope of carbon. When burnt, coal will give carbon dioxide. Water is not formed, because there is no hydrogen in coal that will be oxidised to water.


Does burning coal give off carbon dioxide?

Yes, the burning of any hydrocarbon produces carbon dioxide. This equation illustrates the burning of a hydrocarbon.CH4 + 2O2 → CO2 + 2H2O + energyAs you can see carbon dioxide is produced along with water and energy.Yes burning coal or any carbon based fuel produces carbon dioxide.


What happens to coal when it is burnt?

It gets converted mainly to carbon dioxide,water, heat and ash.


What is the negative effect of coal?

Coal is a fossil fuel, which, when burnt, releases carbon dioxide, a greenhouse gas. This is causing global warming.


What increases carbon dioxide in the air driving cars or heating buildings with coal?

Both these activities release long-hidden carbon dioxide (CO2) into the atmosphere. Coal emits more CO2 than oil (when burnt).


How is CO2 formed in a coal - fuelled power station and in a gas - fuelled power station?

CO2 is formed in a coal fuelled station when coal is burnt and the carbon it it combines with oxygen and leaves carbon dioxide


What produces a greenhouse gas when burned?

Carbon dioxide, carbon monoxide (if the combustion is not complete), nitrogen and sulfur oxides.