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23-09-2020
Chemistry

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A substance appears to be pure. Which of the following cannot be true.

The substance is a mixture.
The substance is an element.
The substance is a compound.
The substance has mass.

Respuesta :

29-09-2020

Answer:

The substance is a mixture

Explanation:

A mixture is a mix of different element or compunds but they are not chemically combined so it isnt pure as it is a mix.

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