Short-Questions

Fast solutions for complex problems

Can kerosene freeze in a freezer?

In contrast to gasoline, kerosene does not “freeze” under cold temperatures. There is no special treatment required to store kerosene either. If left in a clean, tight container with ideal temperatures (above -40°C to -50°C), kerosene will remain stable.

Can kerosene conduct electricity?

Petrol and kerosene oil have very low electrical conductivity and hence they are poor electrical conductors (i.e. insulators).

What is the harmful effect of kerosene?

The principal adverse effect arising from ingestion of kerosene is chemical pneumonitis secondary to aspiration of vomitus. Ingestion of kerosene or acute exposure to vapour may lead to general signs of intoxication such as mild CNS symptoms (dizziness, headache, nausea) and vomiting.

What happens when you add kerosene to fire?

Kerosene heaters consume oxygen as they burn. Reduced oxygen supply could lead to incomplete combustion of fuel and the production of carbon monoxide. Carbon monoxide is a colorless, odorless gas which in sufficient concentrations, or if breathed over a period of time, can kill without warning.

Does kerosene gel in cold weather?

If you still prefer to use oil on an outside tank, you can use an additive (such as Hot Shot) that helps to prevent oil from gelling through the winter. Kerosene burns cleaner due to its refining process. Kerosene also does not gel up during the winter. Kerosene has a lower flash point of 100 degrees Fahrenheit.

What is petrol freezing point?

-60°C
Given the freezing point of petrol is a chilly -60°C, it’s virtually impossible for a petrol tank to freeze up during even the harshest British winter. Diesel on the other hand has a much higher freeze point, and is prone to gelling in cold weather conditions.

Why kerosene is a bad conductor of electricity?

All hydrocarbons are good insulators as they are covalent in nature and since kerosene is a pure mineral oil. Therefore, it does not let electricity to pass through it.

Is Vinegar a good conductor of electricity?

Vinegar is an aqueous solution of acetic acid and is produced by the fermentation process of ethanol or sugars. Since it releases H+ and CH3COO- ions, movement of these ions in the solution aids in the conduction of electricity. Hence, we can say that vinegar is a good conductor of electricity.

What are the long term effects of drinking kerosene?

Infection, shock and death can follow, even several months after the poison has been swallowed. Scars may form in these tissues leading to long-term problems with breathing, swallowing and digestion. If kerosene gets into the lungs (aspiration), serious and, possibly, permanent lung damage can occur.

What is the antidote for kerosene?

The present randomized trial in 100 children with accidental kerosene ingestion assesses the role of ampicillin, carbenicillin and metronidazole in its management. The results are not conclusive but chemoprophylaxis appears to decrease morbidity.

Can you burn kerosene in a fire pit?

Never use gasoline, kerosene, or any other type of flammable liquid to start a fireplace fire. The fireplace is no place to burn gift wrappings, trash, or other debris. Burning these items can create and release toxic fumes or cause excessive heat that can damage the fireplace.

Is it safe to start a fire with kerosene?

Many jurisdictions require a burning permit for outdoor fires and may not allow using flammables, like kerosene, to start a fire because of the dangers associated with them. Contact your local fire department. Kerosene vapors will explode, but unlike gasoline, kerosene burns more slowly.

How does a mini freezer work in a refrigerator?

Freezers work in a similar way, but cool down to a much lower temperature, typically −18 to −23°C (0 to −10°F). This model has an icebox (the light yellow box at the top) that acts as a mini freezer, which should be at freezer temperatures rather than fridge ones.

Why do refrigerators have to obey the conservation of energy?

Like everything else in our universe, refrigerators have to obey a fundamental law of physics called the conservation of energy. The gist is that you can’t create energy out of nothing or make energy vanish into thin air: you can only ever convert energy into other forms.

What happens when you change a gas into a liquid in a refrigerator?

In other words, changing a liquid into a gas is a way to remove the energy from something, while changing a gas back into a liquid is a way to release that energy again. This is essentially how refrigerators move heat from their cooling cabinet to the room outside.

What happens when liquid coolant passes through a refrigerator?

As the liquid coolant passes through it, it cools dramatically and turns partly into a gas. This bit of science is sometimes known as the Joule-Thomson (or Joule-Kelvin) effect for the physicists who discovered it, James Prescott Joule (1818–1889) and William Thomson (Lord Kelvin, 1824–1907).