Question
A student compiled data in a table to compare pure substances and mixtures.
Pure Substances
• elements and compounds
cannot be separated using physical means
Mixtures
• contains two or more substances
• are chemically combined
Which statement BEST describes the mistake the student made on their table?
(1 point)
Pure substances can be separated using physical means.
• Elements and compounds are considered mixtures.
Mixtures are substances that are not chemically combined.
• Mixtures contain at least three or more substances.
Pure Substances
• elements and compounds
cannot be separated using physical means
Mixtures
• contains two or more substances
• are chemically combined
Which statement BEST describes the mistake the student made on their table?
(1 point)
Pure substances can be separated using physical means.
• Elements and compounds are considered mixtures.
Mixtures are substances that are not chemically combined.
• Mixtures contain at least three or more substances.
Answers
GPT-4o mini
The statement that BEST describes the mistake the student made on their table is:
**Mixtures are substances that are not chemically combined.**
This statement is incorrect because mixtures are composed of two or more substances that can be physically combined but are not chemically bonded. The other options either misrepresent definitions or are not inaccurate regarding the comparison of pure substances and mixtures.
**Mixtures are substances that are not chemically combined.**
This statement is incorrect because mixtures are composed of two or more substances that can be physically combined but are not chemically bonded. The other options either misrepresent definitions or are not inaccurate regarding the comparison of pure substances and mixtures.