Question

Sophie has 3 samples of matter in the laboratory and must classify them into pure substances and mixtures. She knows that it depends on the elements present there, so she observed the composition of each sample and decided to label the *

A. sample 1 as a pure substance (compound) and the samples 2 and 3 as homogeneous and heterogeneous mixtures.
B. samples 1 and 3 as pure substances (compound and element) and the sample 2 as a mixture.
C. sample 3 as a pure substance (element) and the samples 1 and 2 as heterogeneous and homogeneous mixtures.
D. samples 1 and 3 as pure substances (mixture and element) and the sample 2 as a compound.

Answer 1

Explicación:

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