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The (rather disgusting, uncouth and common) idea of transferring tea to a saucer before drinking it (noisily), is to cool it down faster, because of the larger surface area provided. The relatively thin layer of tea, also aids conduction through the saucer, cooling it even faster.

It's a matter of temperature, more than viscosity or speed.

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13y ago

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What freezes faster milk or vinegar?

Milk freezes faster than vinegar because milk is mostly water, which freezes at a higher temperature compared to vinegar. The water content in milk allows it to freeze more quickly than the acidic vinegar.


Sugar dissolve faster in hot milk as compared to cold milk why?

Sugar dissolves faster in hot milk because the heat increases the kinetic energy of the sugar molecules, causing them to move faster and come into contact with the milk molecules more frequently, leading to a faster dissolution process. The higher temperature also reduces the solubility of sugar, helping it mix and dissolve more easily in the liquid.


Why does milk freeze faster than whine?

In a nut shell, because heat transfers faster from hotter to colder, like how a car will roll down a steep hill faster that it will roll down a hill that is less steep.


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When milk sours, it undergoes a chemical change rather than a physical change. The bacteria in the milk ferment the lactose sugar into lactic acid, changing the chemical composition of the milk. This process cannot be reversed by physical means, distinguishing it as a chemical change.


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When milk is left at room temperature the reason it spoils is due to the bacteria in the air. The bacteria called Lactobacillus converts the lactose in milk into lactic acid which makes it sour. When milk is refrigerated the bacteria growth is prevented.