Question

which substance is a mixture?
○ table salt
○ gasoline
○ aluminum
○ carbon dioxide

Explanation:

To determine which is a mixture, recall: A mixture consists of two or more substances physically combined. Table salt (NaCl) is a compound, aluminum (Al) is an element, carbon dioxide (CO₂) is a compound. Gasoline is a mixture of various hydrocarbons and additives.

Answer:

B. gasoline