1.1 Pure Substances and Mixtures Practice Quiz

Which is an example of an element?

• steel

• salt water

• air

• iron

Which of the following best describes a solid?

• • indefinite shape, definite volume

• • definite shape, definite volume

• • indefinite shape, indefinite volume

• • a combination of positive charged ions and free electrons

Which of the following substances is a compound?

• • fire

• • air

• • iron oxide

• • hydrogen

Which of the following describes a gas?

• • indefinite shape, definite volume

• • indefinite shape, indefinite volume

• • definite shape, definite volume

• • definite shape, indefinite volume

Which of the following describes a liquid?

• • indefinite shape, definite volume

• • indefinite shape, indefinite volume

• • definite shape, definite volume

• • definite shape, indefinite volume

Which of the following substances is an alloy?

• • aluminum

• • nitrogen gas

• • table sugar

• steel

Which of the following describes a solvent?

• • a substance suspended in a liquid

• • a substance dissolved in a solution

• • a substance that dissolves another substance in a solution

• • a substance that forms a colloid in a liquid

Which of the following best describes a homogenous mixture?

• • The components are distributed evenly.

• • The components are distributed unevenly.

• • The components form a solution.

• • The components consist of a solvent and a solute.

Which of the following is an example of a heterogenous mixture?

• Air

• Salt water

• Soil

• Water

Which of the following is NOT an example of a pure substance?

• water

• oxygen

• iron

• air