Question
A student compiled data in a table to compare pure substances and mixtures.
Pure Substances: Elements and compounds
Mixtures: Contains two or more substances, are chemically combined
Which statement BEST describes the mistake the student made on their table?
(1 point)
Responses
Mixtures are substances that are not chemically combined.
Mixtures are substances that are not chemically combined.
Elements and compounds are considered mixtures.
Elements and compounds are considered mixtures.
Pure substances can be separated using physical means.
Pure substances can be separated using physical means.
Mixtures contain at least three or more substances.
Pure Substances: Elements and compounds
Mixtures: Contains two or more substances, are chemically combined
Which statement BEST describes the mistake the student made on their table?
(1 point)
Responses
Mixtures are substances that are not chemically combined.
Mixtures are substances that are not chemically combined.
Elements and compounds are considered mixtures.
Elements and compounds are considered mixtures.
Pure substances can be separated using physical means.
Pure substances can be separated using physical means.
Mixtures contain at least three or more substances.
Answers
GPT-4o mini
The statement that BEST describes the mistake the student made in their table is:
**Mixtures are substances that are not chemically combined.**
This option accurately reflects the correct understanding of mixtures, which consist of two or more substances that are physically combined, not chemically. The other options either misstate the definitions or do not directly address the error in the student's comparisons.
**Mixtures are substances that are not chemically combined.**
This option accurately reflects the correct understanding of mixtures, which consist of two or more substances that are physically combined, not chemically. The other options either misstate the definitions or do not directly address the error in the student's comparisons.