It will have a malted scent and a slight tinge to outer edges. It smells bad.
If in doubt, chuck it out. With most meats (minced beef etc) They smell funny or go a funny colour, however with chicken, if it is slightly too old, just throw it away, I have had food poisoning and it is NOT worth it.
You can tell that a ham has gone bad by looking at it and smelling it. If it smells strange or looks like it has mold, it is bad.
If you eat it and then throw up. ;)
You can tell if broccoli has gone bad by checking for signs of discoloration, wilting, or a strong unpleasant smell.
You can tell if ginger has gone bad by checking for mold, a shriveled appearance, or a strong, unpleasant odor.
You can tell radishes have gone bad when they become soft, mushy, discolored, or develop a foul smell.
If its rotten
it is bad if it is bad. if not, it is most likely good.
The smell
Yes, garlic can expire. You can tell if garlic has gone bad by checking for signs of mold, discoloration, or a strong, unpleasant odor.
Curdled milk looks lumpy and may have a sour smell. You can tell if milk has gone bad by checking for clumps, a sour taste, or a bad odor.
Actually, you honestly can not
your car will not start