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Pouring boiling water onto a frozen car windscreen can cause it to crack due to the rapid temperature change. The extreme heat from the water can create thermal stress, as the outer layer of the glass expands quickly while the inner layer remains cold and contracted. This differential expansion can lead to stress fractures, compromising the integrity of the glass. It's safer to use lukewarm water or a proper de-icing solution to avoid this risk.

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2mo ago

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Why do you think that a jar will break when it is taken out from a fridge and boiling water is poured onto it?

A jar can break when boiling water is poured onto it after being taken out of the fridge due to thermal shock. The rapid temperature change causes the glass to expand unevenly, creating stress that can exceed the material's strength. If the stress is too great, it can lead to cracks or shattering. Additionally, if the jar has any existing flaws or weaknesses, these can exacerbate the risk of breakage.


If gasoline poured into a tank an chemical change?

Gasoline being poured into a tank is not a chemical change.


Why are esters poured into cool water before identified?

Esters are often poured into cool water before identification to help dissolve them and facilitate their reaction with water, which can produce characteristic odors or other identifiable compounds. This process aids in the observation of physical properties, such as scent or boiling point, that are crucial for identification. Additionally, cooling the water helps to prevent the ester from evaporating, ensuring that the identification process is more accurate and manageable.


Is a snowman liquid solid or gas?

A snowman is a solid when it's done being built, and is a liquid when it melts away. The only time that it would turn gas was if you poured boiling water over it.


Why cant a gas be poured?

Actually some of them can - Gasses such as Carbon Dioxide (CO2) are heavier than air - and can be poured from one container to another.

Related Questions

Why does a frozen car windscreen crack when boiling water is poured on it?

melted


Does boiling water kill plants when poured on them?

Boiling water can harm or kill plants when poured on them because the extreme heat can damage the plant's cells and roots, leading to wilting or death.


Does boiling water kill grass when poured on it?

Yes, pouring boiling water on grass can kill it by damaging the plant cells and roots.


What is a slide in a castle which stones or boiling pitch could be poured?

A murder-hole or meurtrière .


Will boiling water kill grass if poured on it?

Yes, pouring boiling water on grass can kill it by damaging the roots and causing the grass to wither and die.


What were the bad points of the battering ram?

It took teamwork, and boiling oil could be poured on the users.


Is there a natural weed killer safe for well water areas?

Boiling water poured directly on the plant.


Where does Cadburys get caramel from?

Cadburys creates it's own caramel in their factories by boiling sugar. The caramel is then frozen to make it solidify, molten chocolate is then poured over the solid caramel pieces, and then the caramel slowly thaws. That is how it's liquid within the solid chocolate bar.


Why does glass break when boiling tea is poured in it very fast?

Some glasses break when you pour boiling water in it. To avoid that make sure you read a label that comes with that glass saying it can withstand boiling water or not.


If boiling water was poured into a china cup and a foam cup which cup would feel hotter explain?

china cup


Difference between a frozen margarita and on the rocks margarita?

mainly the difference in the frozen is made in a blender until it takes the form of a slush or Slurpee. With any drink on the rocks, it is simply poured over ice


What will happen if petrol is poured in diesel engine or diesel is poured in petrol engine?

Either it will not run at all, or run very poorly. Either is likely to do severe damage to the engine.