🤓 Based on our data, we think this question is relevant for Professor Patterson's class at TXSTATE.
Which of the following are mixtures? Check all that apply.
(a) water (H2O)
(b) salt (NaCl)
(c) salt water
(d) air (mostly N2 and O2)
We’re being asked to identify the mixture/s among the given.
Recall that mixtures are combinations of two or more pure substances (elements or compounds).
Mixtures are not chemically combined.