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Chemistry, 21.09.2019 06:30 serehnatyras0808

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keri has to identify a mysterious brown liquid in science class. she pours it through a filter, but the substance looks the same. then she heats the substance and collects the water that evaporates. the water droplets look the same as the original substance. keri concludes that since the substance cannot be separated it must be a compound. is keri correct?
group of answer choices
a: yes because water is a compound.
b: no because the substance could be an element.
c: yes because keri tried to separate it and all mixtures can be separated physically.
d: no because compounds can be separated physically.

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Answers: 1

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