Because oil molecules are non-polar.
No, kerosene oil does not dissolve in water because it is a nonpolar substance. Water is a polar solvent and cannot easily mix or dissolve nonpolar substances like kerosene oil.
oil does not dissolve at all in water.
the density of oil is more than the water.so,they will never dissolve with each other, rather the oil will float over the water.
Oil
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insoluble.
No, salad oil is not soluble in water. Salad oil is a nonpolar substance, while water is polar. Since like dissolves like, nonpolar substances like oil do not mix well with polar substances like water.
No, lubricating oil does not dissolve in water. Because water is very polar and lubricating oil is nonpolar, it is not energetically favorable for oil to dissolve in water. The reasoning behind this is that water's strong hydrogen bonds must be broken in order for the oil to dissolve, and because only weaker bonds are formed in the process, it takes too much energy for this process to occur.
I don't know what these samples are of, but somethings just dissolve in oil but not in water. That's one of the properties they have.
Cooking oil is nonpolar, while water is polar. Like dissolves like, meaning substances with similar polarity tend to dissolve in each other. Since oil is nonpolar and water is polar, they do not interact on a molecular level, causing oil to not dissolve in water.
Substances that are polar or ionic, such as salt, sugar, and acids, will dissolve in distilled water. Nonpolar substances, such as oil, will not dissolve in water.