If the oil is boiled, sprinkled with salt, put in cold water, strained, then the oil will be purified because when you boil water, the food particles come to the surface, and when the salt is put in, the food particles will dissolve.
Materials-
1. Oil
2. Salt
3. Cold water
4. Strainer
Procedure-
1. Boil oil
2. Sprinkle with salt
3. Place in cold water
4. Strain
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