1.1 Pure Substances and Mixtures Practice Flashcard

Front

Which is an example of an element? Options: steel, salt water, air, iron

Back

iron

Front

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

Back

definite shape, definite volume

Front

Which of the following substances is a compound?

• fire
• air
• iron oxide
• hydrogen

Back

iron oxide

Front

Which of the following describes a gas?

• indefinite shape, definite volume
• indefinite shape, indefinite volume
• definite shape, definite volume
• definite shape, indefinite volume

Back

indefinite shape, indefinite volume

Front

Which of the following describes a liquid?

• indefinite shape, definite volume
• indefinite shape, indefinite volume
• definite shape, definite volume
• definite shape, indefinite volume

Back

indefinite shape, definite volume

Front

Which of the following substances is an alloy?

• aluminum
• nitrogen gas
• table sugar
• steel

Back

steel

Front

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

Back

a substance that dissolves another substance in a solution

Front

Which of the following best describes a homogenous mixture?

Back

The components are distributed evenly.

Front

Which of the following is an example of a heterogenous mixture? Air, Salt water, Soil, Water

Back

Soil

Front

Which of the following is NOT an example of a pure substance?
Options: water, oxygen, iron, air

Back

air