1.Observe the appearance: Fresh eggs have a smooth appearance, uniform shell color, and no cracks and spots. If the eggs are cracked or spotted, they have gone bad.
2.Shake to listen to the sound: Pick up the egg and shake it gently, if you hear a sound inside, it may be caused by the separation of the yolk and the egg white, so the egg is no longer fresh.
3.Smell: Fresh eggs have no odor or only a slight odor. If the eggs have a bad smell or a strong smell, they have gone bad.
4 Put the eggs in the water: Put the eggs in the water, if the eggs lie flat on the bottom of the water, it means that they are relatively fresh; If it is tilted in water, it means that it has been stored for some time; If it stands upright in water, it has deteriorated.
5 Open observation: After opening the egg, observe the shape and color of the yolk and egg white, if the egg yolk is loose or the egg white has a peculiar smell, it means that it has deteriorated.
In conclusion, identifying whether an egg has gone bad requires methods such as observing the appearance, shaking it to listen to the sound, smelling the smell, putting it in water, and opening it for observation. When buying and storing eggs, you should pay attention to hygiene and safety, and try to choose fresh eggs for consumption. If you find that the eggs are spoiled, you should deal with them in time to avoid the impact on your health after consumption.