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Diesel fuel and petrol/gasoline are similar; both of them are mainly mixtures of hydrocarbons. However, Diesel is considerably less volatile because it the compounds in it are of higher molecular weight; they have a higher boiling point ... and also a higher freezing point.

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What is Chemical composition of petrol and diesel?

Petrol is primarily composed of hydrocarbons with chain lengths varying between 4 to 12 carbon atoms, along with small amounts of additives. Diesel is composed of longer hydrocarbon chains, typically ranging from 12 to 24 carbon atoms, with higher boiling points compared to petrol. Both fuels may also contain small amounts of sulfur compounds and other additives for performance and emission control.


Why does water evaporate quicker than diesel?

This depends on whether you mean evaporates due to heat or its volatility. if you mean due to heat, then obviously water, as the forces holding the molecules together are much stronger in hydrocarbons compared to standard water molecules.


Is diesel fuel heavier than water?

Yes, diesel fuel is heavier than water. Water has a density of 1 gram per cubic centimeter, while diesel fuel has a density of about 0.85-0.90 grams per cubic centimeter. This means that diesel fuel will sink in water.


Does pepper water freeze faster than tap?

Pepper water does not freeze faster than tap water. The freezing point of water is 0 degrees Celsius, regardless of whether it contains pepper or not. The presence of pepper may affect the appearance of the ice crystals that form as the water freezes, but it does not impact the rate of freezing.


Why evaporation of petrol is fast?

Petrol or gasoline is made from the lighter parts of crude oil, and is simply more volatile than kerosene or diesel, because the molecules are smaller. In some countries including the US, the grade of gas is varied winter to summer, to make it volatile enough in cold weather and not too volatile in hot.

Related Questions

How do you tell petrol from diesel in a can?

Petrol is and bit more vicous and that diesel is a lot darker than petrol. Petrol burns quicker when set alight, however diesel burns more brightly!


Is petrol vehicle has more pick up than diesel?

petrol vehicles pick up and response to gear changes quicker


Why diesel cheaper than petrol?

In the United States diesel is not cheaper than petrol or gasoline, it is higher.


Is petrol heavier than diesel?

No, diesel is heavier.


What is the difference between the burning temperature of diesel and petrol?

The burning temperature of diesel is higher than that of petrol. Diesel ignites at a higher temperature compared to petrol.


Why do petrol cars steam more then diesel cars?

because petrol is easer to burn than diesel


What is the different between petrol and diesel?

The difference is that diesel is more oily than petrol, and is cheaper to produce.


Are diesel and petrol shocks the same?

Depends on the car, if a car has petrol and diesel version than yes


What is the adventages and disadvantages of petrol engion?

first of all its engine. ADVANTAGES - petrol is cheaper than diesel so cheaper to run. petrol cars generally cost less than diesel (a few 1000). petrol engines are usually faster than diesel off the line and have a higher top speed than a diesel car with the same sized engine. DISADVANTAGES - petrol is less economical than diesel and also diesel cars are much better for over taking than petrol as it has more torque (pulling power)


Does petrol or diesel cost more?

diesel is usually more expensive but diesel cars usually have more mpg than petrol cars


How can oil company solve the problem of the demand of diesel and petrol?

Produce more petrol than diesel. :P


Why diesel gives more milage than petrol and petrol car costly than diesel?

Diesel engines are more efficient and do use less fuel, but they do not cost less than a petrol engine, they cost more. Diesel fuel also costs more. A diesel engine will however last longer.