A student wrote a table comparing pure substances and mixtures
Pure Substances
Mixtures
elements and compounds
contains two or more substances
cannot be separated using physical means
are chemically combined
The student made a mistake on their table. Which statement BEST describes the mistake made?
A. Elements and compounds are considered mixtures.
B. Mixtures contain at least three or more substances.
C. Pure substances can be separated using physical means.
D. Mixtures are substances that are not chemically combined.
1 answer
A. Elements and compounds are considered mixtures.
1 answer