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Science glossary film: Pure

Pure

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Free of any unwanted substances or contaminants.

Free of any unwanted substances or contaminants. An element, chemical compound, or even a mixture, such as honey or maple syrup, could be described as pure, though it is sometimes qualified with a percentage or proportion. Something that is described as 99% pure may contain up to 1% of other material.

An element, chemical compound, or even a mixture, such as honey or maple syrup, could be described as pure, though it is sometimes qualified with a percentage or proportion. Something that is described as 99% pure may contain up to 1% of other material.

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