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Chemistry 18 Online
OpenStudy (anonymous):

which of the following are mixtures? water, salt water, salt, air

OpenStudy (joannablackwelder):

A mixture is two or more substances which have been combined such that each substance retains its own chemical identity.

OpenStudy (joannablackwelder):

What do you think?

OpenStudy (anonymous):

Salt water

OpenStudy (joannablackwelder):

Yes, salt water is a mixture as it is made up of salt (pure substance) and water (pure substance). Air is also a mixture as it is composed of multiple types of gases (nitrogen, oxygen, carbon dioxide, etc).

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