That depends how long it was left out of the refrigerator - hopefully not more than an hour or maybe two. If you are uncertain, don't eat it.
No.
Yes, you can eat frozen cooked shrimp after thawing as long as it has been thawed properly in the refrigerator and not left out at room temperature for an extended period of time.
Cooked hamburgers are generally safe to eat for up to 3-4 days when stored in the refrigerator.
No.
No. Shrimp that has been left out overnight is not OK to eat.
On the contrary, cooked green beans may be eaten the next day, provided they were stored in the refrigerator. The only reason not to eat green beans the next day is if they were left unrefrigerated.
Nop! If you eat it get ready to get sick from your stomach!
I think once cooked and left to cool down it should be stored in a refrigerator and eaten within 2-3 days the max
If you are talking about uncooked ears of corn that were left out of the refrigerator overnight, some of the sugars have probably changed to starches so it won't be so sweet. But it should be OK to cook up and eat. If you are talking about cooked corn that someone forgot to put away, the answer is "No. You should not eat cooked corn left out overnight."
No.
A cooked egg is generally safe to eat for up to one week when stored in the refrigerator.
As long as the chicken has been cooked, cold chicken salad is perfectly safe to eat. Make sure it's stored in a refrigerator, and don't eat it after a week from the time the chicken was cooked.