Classify as mixture or pure substance

Question

Classify as mixture or pure substance

A. Gasoline

B. Oxygen gas

C. Milk

D. Mercury (Hg) used in a thermometer

E. A tablespoon of sugar (C12H22O11)

Answer 1

A. Gasoline - mixture

B. Oxygen gas - pure substance

C. Milk - mixture

D. Mercury (Hg) used in a thermometer - pure substance

E. A tablespoon of sugar (C12H22O11) - pure substance