Pure Substances and Mixtures Review

Front

What is a pure substance?

Back

A pure substance is a material that has a constant composition and consistent properties throughout. Examples include elements like gold and compounds like water.

Front

What is a mixture?

Back

A mixture is a combination of two or more substances where each retains its own properties. Examples include air, salad, and apple juice.

Front

Which one is a mixture: Oil, Sugar, Distilled Water, or Apple Juice?

Back

Apple Juice is a mixture.

Front

Which one is a pure substance: Ice Cream, Sugar, Pop, or Skittles?

Back

Sugar is a pure substance.

Front

What is distillation?

Back

Distillation is a separation method that uses heat to separate components of a mixture based on their boiling points.

Front

Which separation method uses heat?

Back

Distillation uses heat to separate mixtures.

Front

Which one is a mixture: Distilled Water, Water, Sugar, or Flour?

Back

Water is a mixture.

Front

What dissolves in oil: Sand, Marshmallows, Sugar, or Flour?

Back

Sugar dissolves in oil.

Front

What is the difference between a pure substance and a mixture?

Back

A pure substance has a uniform and definite composition, while a mixture contains two or more substances that retain their individual properties.

Front

Can a mixture be separated by physical means?

Back

Yes, mixtures can be separated by physical means such as filtration, sifting, or distillation.