Yes, gravy will go bad if not refrigerated. The pH and water activity are not low enough to make it shelf stable without a canning process.
yes
Yes, eggs can go bad if they are not refrigerated because refrigeration helps to slow down the growth of bacteria that can cause the eggs to spoil.
Yes, pickles can go bad if they are not refrigerated. Refrigeration helps to slow down the growth of bacteria and preserve the pickles for a longer period of time.
Of course milk needs to be refrigerated because if you don't refrigerate it, it will get chunky and go bad.
As long as it stays refrigerated, it should not go bad before the expiration date. If it's left out, it should be eaten the same day. Depending on tempertaures, you could go another day, but I personally wouldn't.
yes after a while. if you want it to last longerput it in the freezer
Vodka does not go bad if opened and not refrigerated because its high alcohol content prevents bacterial growth. However, storing it in a cool, dark place can help maintain its quality and flavor over time.
Blackberries do need to be refrigerated, or else they will go bad
All penicillin will go bad after a period of time, but it is actually better to keep liquid penicillin refrigerated. It is a good idea to check the expiration date on your penicillin, and dispose of it when it expires. Penicillin that has gone bad will not help you, and you should be careful with medications that are past their date.
Yes it can spoil with out refrigerated.
Yes, kombucha can go bad if it is not refrigerated. Storing it at room temperature for too long can cause it to ferment further, leading to changes in taste and potentially harmful bacteria growth. Refrigeration helps slow down this process and maintain the quality of the kombucha.
Milk can sit out for about two hours before it starts to go bad. After that, it should be refrigerated to keep it fresh.