What Is an Example of a Substance Not Soluble in Water?

Learn why substances like oil are not soluble in water due to molecular polarity differences.

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An example of a substance not soluble in water is oil. Oil molecules are non-polar and do not interact well with water's polar molecules. Hence, they separate, creating a distinct layer. This property is often observed when trying to mix cooking oil with water, as the two will not form a homogeneous mixture.

FAQs & Answers

  1. Why is oil not soluble in water? Oil is non-polar, while water is polar, so they do not mix and oil does not dissolve in water.
  2. What are other examples of substances not soluble in water? Examples include fats, waxes, and many oils, which are non-polar substances.
  3. What determines if a substance is soluble in water? Solubility in water mainly depends on the polarity of the substance; polar substances tend to be soluble.

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For more insights into solubility and solution properties, explore related videos on polar vs non-polar molecules and factors affecting solubility in water.

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