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A-Level Biology OCR A

Water Substance Hydrophilic Dissolve Tend Define Terms Hydrophobic

Hydrophilic substances are water-attracting and soluble, typically polar or ionic, while hydrophobic substances repel water and are usually non-polar.

Hydrophilic substances are attracted to water and can be dissolved by it, usually being polar or ionic. Hydrophobic substances repel water and are typically non-polar.

Front Define the terms hydrophilic and hydrophobic.
Back Hydrophilic substance - substance attracted to water
  • Water can dissolve them, tend to be polar molecules/ions

Hydrophobic substance - substances that repel water
  • Water cannot dissolve them, tend to be non-polar molecules

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