A mixture that is not uniform in composition; components are not evenly distributed throughout the mixture.

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Multiple Choice

A mixture that is not uniform in composition; components are not evenly distributed throughout the mixture.

When a mixture isn’t the same throughout, you’re looking at a heterogeneous mixture. The different parts aren’t distributed evenly, so you can often see distinct components in different areas—like rocks with different minerals, a salad with various ingredients, or oil droplets separating in water. In contrast, a homogeneous mixture has a uniform composition everywhere, so the parts blend so you can’t tell them apart by sight, like sugar dissolved in water or the air we breathe. A compound is a single substance formed from two or more elements bonded together in fixed proportions, with uniform properties throughout, not a mix of separate parts.

When a mixture isn’t the same throughout, you’re looking at a heterogeneous mixture. The different parts aren’t distributed evenly, so you can often see distinct components in different areas—like rocks with different minerals, a salad with various ingredients, or oil droplets separating in water.

In contrast, a homogeneous mixture has a uniform composition everywhere, so the parts blend so you can’t tell them apart by sight, like sugar dissolved in water or the air we breathe. A compound is a single substance formed from two or more elements bonded together in fixed proportions, with uniform properties throughout, not a mix of separate parts.

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