No, cooked meat only stays good up to 5 days in the refrigerator.
No
mac& cheese, doughnuts, freeze-dried ice cream, precooked chicken
Doesn't matter, its already cooked. If you aren't going to it it for a while you can freeze it to keep it fresh (as long as it is sealed) and take it out to reheat when ever you want to eat, repeating until its gone. I recommend slicing it before you freeze it for easy portions.
If you freeze it, six months.
mac& cheese, doughnuts, freeze-dried ice cream, precooked chicken
Yes, you can safely freeze BBQ pork after 5 days of being refrigerated in an air tight container.
you could dry it out if it was meat or salt it also keep it refrigerated or freeze it
You can freeze clove oil but parts of it may separate. You may need to shake it when it thaws to mix any water content.
Ketchup does not need to be frozen. Tomatoes have acid in them. This acid prevents bacteria from forming. Ketchup does not even need to be refrigerated. But to answer the question, yes you can.
Fresh pork should be good refrigerated for 3 to 5 days if refrigerated immediately; however, you should freeze or cook it as soon as possible.
Once opened, leftover contents must be removed from the can and placed in a covered, nonmetallic container and refrigerated or frozen.
Yes, I refrigerate mine if I want a cold snack. You can also freeze them in the freezer and thaw them later.