starenweani starenweani

07-12-2020
Chemistry

contestada

1. Which of the following is NOT a mixture? A. Oxygen B. Soil C. Ketchup (catsup) D. A rock

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ln723509 ln723509

07-12-2020

Answer:

A. oxygen

Explanation:

because that oxygen is made up of only one element (that element is Oxygen) it rules out oxygen being a mixture unless you add something like nitrogen but then it would not be oxygen anymore

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miyahwhitney2 miyahwhitney2

07-12-2020

Oxygen is the correct answer. Oxygen is a molecule not a mixture though it is made from two atoms that are the same type.

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