Alcohol, oil, kerosene, gasoline, wax Who burns the longest?

In addition to the oil are candles and kerosene.

Right? There is no one to try to compare, but when we were young, we used kerosene lamps at home, and I think that in addition to oil, kerosene should be the most resistant to burning! Because it was so poor at that time, it was even more cost-effective, affordable and durable, and if there were other things that burned longer, then how could so many people choose to use kerosene lamps?

Isn't it cheaper than anything else? I can't! I vaguely remember that kerosene was a little more expensive than alcohol.

It's really not easy to do this competition test, and I haven't seen kerosene for more than 10 years, otherwise I can try it when I have time. Anyway, gasoline is undoubtedly the fastest burning, when I was a child, there was kerosene and gasoline at home, but my parents never let us touch gasoline, saying that gasoline is dangerous, and it burns super fast when it encounters fire.

At that time, I lit a kerosene lamp, and I felt that it was still very durable, but the kind of beer bottle that didn't seem to be enough to last for a long time. However, this can still be controlled, and the wick is generally adjusted to the shortest when lighting the lamp in our house, so that it can be lit and is also very fuel-efficient. It's just to force the wick to be darker, and I don't feel it when I'm used to it, but now when I mention the word kerosene, I think of the days when I was blind with a black light, and the small kerosene lamp can only illuminate my eyes, and I can't shine a few steps away.

I have also watched the gasoline burn, and the candles have also been used, except that the oil has not been burned, and I think the candles are still a little more burnt than the kerosene lamps. If you pour kerosene and candles on the ground or compete in other utensils, it may be that the candle will burn a little full, because the candle has wax, and it will melt slowly when burned, and kerosene is just oil, so it is easy to burn out.

Alcohol, oil, kerosene, gasoline, wax" I personally think oil burns the slowest, because it doesn't matter if it's lard.

It's still vegetable oil, and if you pour it on the ground with a few other things and try it, the other ones will definitely burn first. It is also possible that the oil does not burn at all, and the oil should only burn when stir-frying. And it is still possible to burn in the case of stir-frying with an open flame, no matter what kind of environment, I think this oil should be the slowest burning one.

If it is according to the burning time is a kind of wax and alcohol is the longest, if it is the kind of heat that is the most, that is, oil, kerosene, gasoline, in fact, they are all refined from **, so they are all good things, feel free to calculate the length of burning time, what are you calculating according to, according to the weight, what is the combustion method, so the combustion method is different, their conclusions are different, <>

In fact, what we ordinary people come into contact with is alcohol, candles and gasoline, of course, kerosene was used in ancient times, but we don't see it now, kerosene is generally used to light lamps with kerosene around that time before liberation, kerosene electricity, can only rely on those lighting, or candle lighting, with the development of the times, these are no longer common, but candles are still often seen, kerosene is rare, it is estimated that there are very few, at that time they were used for lighting, So they burn relatively slowly, and they can be regarded as the longest.

Alcohol is also common to us, especially in the school stage, the chemistry teacher often takes alcohol to our class to do chemistry experiments, and then a bottle of alcohol does not burn a little bit of alcohol in a class, so the alcohol is still relatively combustible and the time is relatively long, so his flammability is also very good, and it is okay to use it for long-term lighting.

The remaining oil and gasoline are very flammable, generally burning faster, and the ability to produce more in a short period of time is more, so most of them are used in engines and automobiles, aerospace, ships, etc., and are used in machines with relatively large power, which can instantly produce huge energy, which can urge the machine to move quickly and reach a certain kinetic energy in a short time, which is the power of gasoline and oil, so their ability is also very large, it is a short time to burst, not the longest burning time.

Therefore, their specific order cannot be ruled out, and the approximate burning time can be seen.

Coal tar is liquid and cannot be distilled, coal can be distilled.

It is extracted separately according to the different gasification temperatures of each oil product, which is simple and low cost.

It's all a physical change, because it's made by steaming

Lubricating oil, paraffin, and bitumen are heavy petroleum.

Solvent oil, gasoline, jet kerosene, kerosene, diesel are light petroleum.

Lubricating oil, paraffin, asphalt, heavy oil.

Solvent oil, gasoline, jet fuel, kerosene, diesel, light oil.

Alpha alpha

Of course, the heat is released.

Paraffin wax is a mixture of hydrocarbons, which is exothermic when burned.

Paraffin oil, also known as mineral oil, is a colorless and odorless mixture obtained from ** fractionation. It can be divided into two types: light mineral oil and general mineral oil, and the specific gravity and viscosity of light mineral oil are lower than those of Tuanshen. It's fractionation, not cracking.

Gasoline, kerosene, paraffin and other petroleum products are flammable and flammable substances, B is a sign of flammable substances --- beware of fires, which can reflect their commonality Carbon monoxide, an air pollutant in the city, is mainly due to the emission of automobile exhaust

So the answer is: b; Emissions from vehicle exhaust or incomplete combustion of carbon-containing fuels