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How can the boiling point of water be changed?


Question asked by: knowitall

The boiling point of water can be changed by altering the pressure.

For instance if you increase the pressure like in a pressure cooker the water won't boil until around 120 celsius depending on the setting, meaning that water can go higher temperature and therefore cook food quicker - handy!

Similarly at lower pressure like up a high mountain water can boil at a lower temperature, for instance 90 celsius.

In a truly low pressure environment such as space your blood would boil as the pressure is too little to stop it - rather unfortunate - and hence the need for space suits!

By: Unknown
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The presence of impurities will increase the boiling point of water, thats why if you are cooking and you add salt it will take more time
By: billy joel

Date of comment: Fri, Jul 9th 2010

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changed  point  boiling  

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