The melting point of sodium chloride is 801 deg. C.
Please note that Kosher salt is only a phantasy; read the link: Is_a_food_Kosher_if_it%27s_made_with_iodized_salt"Kosher salt Yes it is kosher: since salt is a mineral and not produced from an animal source, it is considered parve - that is, kosher laws do not apply to it and it can be eaten by Jewish people with any parve or kosher food.
I suspect you've seen kosher salt and made the common mistake - one made even by many Jewish people - of assuming that it's actually kosher. You can be easily forgiven for that, because the name suggests this to be the case. However, it's a bit of a misnomer, and a better name would be koshering salt - the name by which it is usually known in Britain. It's so-called because it's used during the process of koshering meat. To be kosher, meat must have all traces of blood removed from it because even the tiniest speck of blood makes food treif - the word which, though literally meaning torn, is used for any non-kosher food - and as such cannot be eaten by Jews. To get rid of the blood, the meat is covered with koshering salt which absorbs all the blood and can then be discarded.
So, to answer your question, you can use any type of salt you like when cooking and - provided you've observed all the other kosher laws - the food will remain kosher."
Adding salt to water the freezing point decrease.
Yes, salt lowers the freezing point of ice.
Salt, being a crystalized mineral with no water content has no freezing point.
Salt decreases the freezing point of water and increases the boiling point of water.
It does not, but salt affects the freezing point. All solids are frozen. Each has a different freezing point. Ice is just the freezing point of water. But your computer keys are frozen too. Different substances freeze differently. But for your purposes, compare water to salt water. The salt in the water causes there to be more things in the water that disrupt the tight hydrogen bonds.Since freezing is tighter H-bonds, salt lowers the freezing temperature because it is harder to freeze it now since there is salt in it.
Most salt is kosher by default unless additives such as flavourings are added, at that point the salt would have to be certified kosher. 'Kosher salt' refers to a large grain salt that is used during the process of kashering meat. Iodized salt is kosher.
The addition of salt to water will affect the freezing point as it the freezing point temperature is lowered. It's not the salt that lowers the temperature but it's because a new solution that was created.
The motivation is to decrease thr freezing point.
Freezing point.
Adding salt (sodium chloride) the freezing point of water decrease; for an experiment add gradually salt (in known quantities) and measure the freezing point after each addition.
The freezing point is lower and the boiling point is higher.
It lowers the freezing point.