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Miscible - GCSE Chemistry Definition

Reviewed by: Richard Boole

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The term miscible describes two liquids that mix completely to form a uniform solution. Miscible liquids do not separate into layers, no matter how much of each is used.

An example is water and ethanol, which mix in all proportions. In contrast, immiscible liquids like oil and water do not mix and will separate into layers over time.

Understanding miscibility helps in predicting how substances will combine or separate, which is useful in GCSE Chemistry when studying solutions, solubility, and mixtures.

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Richard Boole

Reviewer: Richard Boole

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Richard has taught Chemistry for over 15 years as well as working as a science tutor, examiner, content creator and author. He wasn’t the greatest at exams and only discovered how to revise in his final year at university. That knowledge made him want to help students learn how to revise, challenge them to think about what they actually know and hopefully succeed; so here he is, happily, at SME.

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