Which Is NOT an Example of a Pure Substance

question 35

Multiple Choice

Which is NOT an example of a pure substance?

• A)Sugar
• B)Air
• C)Aluminum foil
• D)Water
• E)A block of dry ice

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An evaluation or estimation of the present status, value, or condition of something.

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A fraction or ratio expressed as a part of 100, used to denote a proportion of a whole.

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