No, it is just an adjective, so in the middle of a sentence, you'd just write kosher in lower case.
The breading is problematic. If you use matzah meal breading, it can be kosher. Of course, you must also start with kosher chicken and kosher oil. Note that there are extra stringencies in some Hassidic families, these might not permit matzah meal breading except on the last day of Passover.
If you are substituting sea salt for kosher salt in a recipe, you should use less sea salt than the amount of kosher salt called for. Sea salt is generally saltier than kosher salt, so start by using about half the amount of sea salt as the recipe specifies for kosher salt, and adjust to taste as needed.
It is kosher so long as it is certified kosher.
Fox meat is not kosher. See:More about what is and isn't kosher
It needs to be cooked in a kosher vessel and have kosher ingredients. If purchased, it (or the bakery) should have kosher-certification.
Yes and no. There are many recipes that can be made kosher with kosher substitutes.
Delicatessen places serve kosher food. And if you are talking about 'deli' food, it is usually kosher. _______ Delis are only kosher if they're kosher certified. Most delis aren't kosher.
Yes! You don't need a kosher cookbook. Just remove the non-kosher ingredients.
It would be kosher if it came from a kosher animal.
It can be if it's made with kosher ingredients in a kosher kitchen.
They can eat a kosher diet, and be slaughtered the kosher way.