Question

Lesson one review:

Answer 1

Mixtures are impure substances composed of two or more substances physically combined.

What are mixtures?

Mixtures are substances that are composed of two or more substances physically combined.

Mixtures are one of the different types of substances which are composed of matter.

The classification of matter by type of substance is as follows:

• Matter - Pure and impure substances or mixtures
• Pure substances - elements and compounds
• Mixtures: homogenous and heterogenous

In conclusion, substances can be classified into either pure substances or mixtures.

Learn more about  substances and mixtures at: brainly.com/question/1867365

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