Question
A student compiled data in a table to compare pure substances and mixtures.
pure substances mixtures
elements and compounds contains two or more substances
cannot be separated using physical means are chemically combined
Which statement BEST describes the mistake the student made on their table?
(1 point)
Responses
Mixtures contain at least three or more substances.
Mixtures contain at least three or more substances.
Pure substances can be separated using physical means.
Pure substances can be separated using physical means.
Mixtures are substances that are not chemically combined.
Mixtures are substances that are not chemically combined.
Elements and compounds are considered mixtures.
pure substances mixtures
elements and compounds contains two or more substances
cannot be separated using physical means are chemically combined
Which statement BEST describes the mistake the student made on their table?
(1 point)
Responses
Mixtures contain at least three or more substances.
Mixtures contain at least three or more substances.
Pure substances can be separated using physical means.
Pure substances can be separated using physical means.
Mixtures are substances that are not chemically combined.
Mixtures are substances that are not chemically combined.
Elements and compounds are considered mixtures.
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 correct because mixtures do consist of two or more substances that are physically combined, not chemically. The other statements do not correctly address the mistake in the comparison made in the table.
**Mixtures are substances that are not chemically combined.**
This statement is correct because mixtures do consist of two or more substances that are physically combined, not chemically. The other statements do not correctly address the mistake in the comparison made in the table.