Pure Substances and Mixtures

Front

Characteristic of a compound:
- Physically combined
- Chemically combined
- Variable proportions
- Components retain properties

Back

Chemically combined

Front

What is a characteristic of a mixture?

Back

Variable proportions

Front

How do components in a mixture behave? Options: Components retain properties, Components change properties, Fixed proportions, Made of elements

Back

Components retain properties

Front

What is true about the components of a compound? Options: Fixed proportions, Variable proportions, Physically combined, Components retain properties

Back

Fixed proportions

Front

Identify each of the images as an element, molecule, or compound. Options: A, B, C

Back

A: Element, B: Molecule, C: Compound

Front

Compounds are formed when two or more ______ are chemically combined.

Back

elements

Front

An element is a ______ substance that cannot be separated into simpler substances by physical or chemical means.

Back

pure

Front

When two or more elements are ______ combined, a new substance is formed with new chemical and physical properties.

Back

chemically

Front

Which image(s) would be considered pure substances?

Back

III and V

Front

Using the diagram, justify the source of data used to develop the technology for refining the crude oil.

Back

Different fuel components boil at different temperatures, allowing them to be separated.