Matter and its changes

A combination of two or more types of matter is a(n)

• solution

• tarnish

• base

• mixture

Rust is a(n)

• alloy

• mixture

• tarnish

• chemical change

Two or more elements that are chemically combined make up a(n) _______

• compound

• change of state

• physical change

• mixture

If energy is added to a solid, a(n) _____ can occur.

• solution

• change of state

• physical change

• chemical change

Bronze is a(n) _____ that is a mixture of several metals.

• base

• alloy

• tarnish

• mixture

Baking soda is a(n) _____, which will react with an acid to form a salt and water.

• base

• evaporation

• neutral

• mixture

A mixture in which two or more substances are blended together completely is called a(n)_____.

• distillation

• mixture

• solution

• evaporation

A liquid changes to a gas during ______

• evaporation

• distillation

• compound

• alloy

The black substance that forms on silver, called _____, is an example of a chemical change.

• tarnish

• alloy

• base

• change of state

Separating a solution by heating a liquid and capturing the gas that forms is called _____.

• distillation

• neutral

• base

• tarnish