Question

hii guy's answer these all fastt ​

Answer 1

Answer:

yellow flame with lots of black smoke anta 4rd one ge kk na?

3 rd one answer

Carbon dioxide (CO2) emissions from combusting fossil fuels are the main driver of global warming. CO2 is also the main byproduct of coal combustion: nearly 4 grams of CO2 are produced for every gram of carbon burnt (depending on its type, coal can contain as much as 60 to 80 percent carbon).

Answer 2

1:- Combustion is a chemical process in which a substance reacts rapidly with oxygen and gives off heat. The original substance is called the fuel, and the source of oxygen is called the oxidizer.

2:- Components of LPG:- propane (C3H8) and butane (C4H10).

3:- -> Incomplete combustion of coal produces carbon monoxide which is a poisonous gas.

-> Pollutant after combustion of petroleum are carbon monoxide, carbon dioxide, sulphur dioxide, nitrogen dioxide, nitric oxide, volatile organic compounds and hydrocarbons

4:- Saturated hydrocarbon gives clean colour flame.

5:- unsaturated carbon gives yellow flame.

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