Yes, a partially used onion is best saved in a glass jar with a tightly-closed lid inside the refrigerator.
You can simply wrap the onion in cling wrap, or in a freezer bag. However, cling wrap or a freezer bag will allow the scent of the onion to permeate throughout the refrigerator.
Not necessarily .. if you are doing so, store it in the refrigerator and don't keep it for very long.
A week is usually long enough
Yes you can; wrap it in plastic and keep it in the refrigerator.
technically, yes. But im not sure if its safe to eat a bad fried onion
You know when french onion dip has gone bad because it has water on the top.
an onion flavored pie
You can use an onion to remove the smell from spoiled paint. In the room or area where the bad smell is lingering, peel an onion and cut it in half. Place on a plate and leave it there for a couple of days.
Bad breath
Onion
It's perfectly fine unless it has any onion or onion seasoning on it which is very bad for bishons.
Math! lol.
you can but you should not you won't feel good afterward too much good stuff is bad save some for later
Bad breath. Nothing else though
Of course, nothing bad will happen if they do.
fries onion rings bad chicken nuggets