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Have you ever mixed raw and cooked eggs in the refrigerator? If that’s the case, don’t worry – the eggs look similar, but you can tell if they’re raw or cooked with a quick spin: cooked eggs will rotate and raw eggs will wobble. If this doesn’t work, there are other ways to check if an egg is raw or cooked.
Steps
Rotate eggs
- Press your hand into the egg with enough force that the egg will quickly stop rotating. You will see the egg rotate and stop immediately for about 1 second.
- If the egg is standing still, the egg is cooked.
- If the egg continues to rotate slowly or wobble, the egg is alive. Because the liquid in the white and yolk continues to move inside the eggshell. The center of gravity of the egg is not stationary because the liquid inside moves the egg in motion. [1] X Research Source
- If the egg rotates quickly and evenly like a gyro, the egg is cooked because the center of gravity of the egg is stable.
- If the egg rotates slowly, wobbles or turns with difficulty, the egg is alive. The liquid inside the egg shifts back and forth as the egg rotates and throws the egg off balance. [2] X Research Source
Other ways to check
- If the egg is cooked then you will feel the stone hard feeling.
- If the egg is still alive you will feel the movement when you shake it.
- If the egg is alive, you will see bubbles in the water. The eggshell is not completely hard; they are enclosed by small holes that sometimes allow gas to escape. When heating the egg, the gas inside the shell escapes through those small holes and forms bubbles. [3] X Research Sources
- If the egg is cooked, you won’t see bubbles because the gas has been released during the boiling process.
- If the egg lights up like a lantern, it’s alive, because light can pass through the liquid inside.
- If the egg is dark and translucent, it’s done, because light can’t penetrate the white and the yolk is already hard.
Mark for cooked eggs
- The more onion skins you use, the more recognizable the color of the eggshell will be. If possible, use about 12 pieces of shell to make the color of the eggshell more prominent.
- The peel of a purple onion will also give the eggshell a darker color than a white or yellow onion.
- If you’re boiling eggs in a small saucepan, you can add a few drops of food coloring and a few teaspoons of vinegar to the water. Or you can boil the eggs first, then soak in a mixture of ½ cup boiling water, 1 teaspoon vinegar, and a few drops of food coloring right after .
- Don’t worry because you have to peel the egg before you eat it so it’s safe even if you use ink to write on the shell.
Advice
- The results of these tests are usually easy to see when you test raw and cooked eggs. If you know the eggs are raw or cooked, these will help you authenticate again.
- This page shows you how to use the required amount of food coloring to dye eggs different colors. [5] X Research Sources
This article is co-authored by a team of editors and trained researchers who confirm the accuracy and completeness of the article.
The wikiHow Content Management team carefully monitors the work of editors to ensure that every article is up to a high standard of quality.
This article has been viewed 39,122 times.
Have you ever mixed raw and cooked eggs in the refrigerator? If that’s the case, don’t worry – the eggs look similar, but you can tell if they’re raw or cooked with a quick spin: cooked eggs will rotate and raw eggs will wobble. If this doesn’t work, there are other ways to check if an egg is raw or cooked.
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