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It depends on concentration of salt. Adding four tablespoons of salt to a mix of 1 liter of water and a tray of icecubes will thaw the ice while dropping temperature of the mix down to 14 degrees centigrade below zero.

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15y ago
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15y ago

32 degrees Fahrenheit or 0 degrees Celsius.

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8y ago

32 degrees Fahrenheit 0 degrees Celsius

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15y ago

84 degrees

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13y ago

300 C

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Q: How cold does it have to be for water to instantly freeze?
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Related questions

How does water instantly freeze?

When its really cold in the air and the water reaches the air the water becomes a solide instantly.


Why does water instantly freeze?

Water does not freeze instantly..


When water freeze what's the reason?

Cold temperatures will, if cold enough, freeze water.


What can freeze faster hot water or cold water?

cold water


Does warm or cold water freeze first?

cold water


How do cold air and hot water make the water freeze faster?

Cold air and hot water makes water freeze faster simply because the hot water is steaming and so the result is that there is less water to freeze. hot water = steam = less water less water = faster freeze cold air = faster freeze


What happens to water when it gets cold?

It expands when you freeze it


Why water freeze?

Because cold


Does any life form live on Pluto?

No, because its to cold, any life form would freeze instantly


How do waterfalls freeze?

if the air gets cold enough it can freeze water.


Which typr of water will freeze first hot or cold?

cold


What gas or liquid pumped into water would cause it to freeze instantly?

Liquid nitrogen