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Answered 2010-10-12 22:12:35

yes, i belive it does.

however, the amount of water will change the amount of time it takes for either of them to occur. most water is not 100% pure, so boiling points can sometimes vary by a fraction.

So the answer is melting and boiling points

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That depends on how much salt is dissolved in the water. Generally, the boiling point will be higher than for pure water, and the melting point will be lower than for pure water.


Check the melting or Boiling point. If the melting and boiling point is more or less than the original melting or boiling point the substance is impure.


Each pure substance has its own unique melting and boiling point.


The centigrade scale is based on the melting and boiling points of pure water at 1 atmosphere of pressure. 0oC is the melting point and 100oC is the boiling point.


Absolute zero, melting/freezing point of pure water, and boiling point of pure water.



By Density, boiling point and melting point


Melting and boiling are not adequate terms for diamonds; diamond is pure carbon and burn on heating.


cause all pure substances have a fixed boiling and melting point unless impurities is added their boiling and melting will always remain the same.


Boiling point- the temperature and pressure at which a liquid and a gas are in equilibrium. But also, it is very useful in determining the purity of a substance. If the melting point is known of the pure substance, than you can measure the melting point of what you've got and see if it matches. If the melting (or boiling) point is the same, than that is a good indication that the compound you have is what you think it is, and it is pure. If they are different from each other, that indicates that your compound is not pure.


The melting point of salt water is even lower than pure water.


A pure substance generally has fixed melting and boiling points. Note it must melt or boil without decomposition. The measured values can be used as a guide to identification. Remembering that impurities depress the melting point and elevate the boiling point the "sharpness" of the melting/boiling point is an indication of purity.


The answer depends on increase the boiling point of WHAT!


Taste Smell Melting Point Boiling Point Density Residue after it evaporates


At Boiling Point all the material evaporates leaving no residue which means it is pure. But if it leaves some residue after evaporating at boiling point then it is not pure. For example : If you take an example of pure water & Saline Water then pure water will evaporate at its boiling point leaving nothing after it. But Saline water evaporates leaves salt behind it.


Pure substances have very specific melting (and boiling) points. Assuming the substance is pure you could measure the melting point and compare it to a known database of melting points.


No, boiling points are always higher than melting points. When you turn a solid to a liquid, this process is called melting, and requires a lower temperature than boiling the substance. Take ice water for example. Ice becomes pure water at 0oC. The temperature needed to boil pure water is 100oC, which is a bigger number than zero.


The boiling point of pure water is typically about 100 degrees Celsius. This value can vary based on factors such as pressure. Additionally, impurities in a sample of water can alter its boiling point.


The purity of any substance can be checked through Melting Point,Boiling Point or Chromatography. As A pure substance has a set and exact melting point and boiling point and a pure substance shows only one spot on the chromatogram.


Y,es the melting point of pure substances is always sharp. When unadulterated by impurities, the boiling point will always remain the same, or sharp.


The melting point and the boiling point of a substance are physical characteristics for each substance and are unchanged at the same pressure.


Melting and boiling points are characteristic properties of pure substances. Just about every school child learns the characteristic freezing point of water and the boiling point of water at 1 atmosphere pressure.


For pure water, the boiling point is 100 degrees Celsius (212 Fahrenheit), and the melting point is 0 degrees Celsius (32 degrees Fahrenheit). For saltwater, the boiling point is raised, and the melting point is lowered. By how much depends on how much salt there is. The boiling point of salt water will rise by about half a degree Celsius for every 30 grams of salt dissolved per kilogram (litre) of water. So if you are boiling a pan of water with salt in it, the boiling point will be higher depending on the amount of salt that is dissolved in the water.


The melting point and freezing point are the same. The boiling point will be higher depending on the element or compound. You can look up these temperatures in the Handbook of Chemistry and Physics.


Beer is NOT a pure compound but a mixture of (mainly) water, alcohol, sugar, many aroma and flavour compounds in small amounts. Its overall boiling point is about 100oC and the freezing point -0.3oC.



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