Yes, provided it doesn't contain and hasn't come in contact with non-kosher ingredients,
hasn't been processed or packaged on equipment that's also used for processing or
packaging non-kosher beverages, and doesn't go into containers previously used for
non-kosher beverages.
There is no such thing as "kosher drinking water" as water is kosher by default.
All water is kosher, there's no such thing as 'special kosher water'. A mikvah is simply required to have fresh running water from a natural resource.
Fresh water chestnuts are fine. Canned water chestnuts require a kosher for Passover hechsher.
No, frogs are not kosher. Only land animals with divided hooves and chews the cud are kosher. Only water animals with fins and scales are kosher.
That depends on what it's made from. If it's known to come from a non-kosher source, then it's not kosher. But if the source material is unknown it can be presumed to be kosher.
Lemonade is made of lemon juice, sugar, and water all of which are Kosher.
Kosher food have been produced under the supervision or a Jewish Rabbi, whereas non kosher foods have not. _________ Correction: Kosher food does not require a Rabbi's involvement. When talking about commercially prepared food, the kitchen has to be supervised by a 'mashgiach'. Any orthodox Jew can be a mashgiach. Kosher food is prepared with kosher ingredients following the laws of kashrut.
yes
There are lots of things you can put in a kosher gift basket. Mixed nuts, sugar sticks, coffees, teas, Kosher wines, Kosher cheeses, kosher meats etc. Remember, no pork, shellfish, and if you have questions ask.
This density depends on: - temperature - concentration of the salt
It is possible.
Although water itself is inherently kosher, there are potential issues when it comes to commercial foods. In regard to water, the plant used to bottle the water could potentially be used to bottle other drinks that aren't kosher on the same equipment. Additionally, lubricant used for commercial machinery that comes into contact with the water might not be kosher. To make sure that none of these and other issues come into play, plants that bottle water are under kashrut certification.
If the pot was used for non-kosher in the last 24 hour then it's forbidden to eat, but otherwise it's ok if there's no other choice. Also, a non-kosher pot can be koshered by immersing it in boiling water before cooking food in it. If it's too big to immerse, fill it with water, bring it to a boil, and carefully cause the boiling water to go over its rim. Ideally, you should buy a separate pot for your own use.