input question: Keep a fresh jar of garlic covered when the lid is lost.

output answer: Cover the jar to keep contents fresh.

input question: How to separate egg yolks from egg whites?

output answer: Crack the egg and using an empty water bottle, place the opening over the egg yolk and pump the bottle so it sucks up the egg yolk

input question: To tell if pellets coated in oil have detonated inside air gun.

output answer:
You will hear a bang and a supersonic crack.