Mixtures and Solutions

Front

What is a mixture?

Back

A mixture is a combination of two or more substances that are not chemically combined.

Front

What is a solution?

Back

A solution is a mixture where one substance (the solute) is dissolved evenly into another substance (the solvent).

Front

What is a solute?

Back

A solute is the substance that is dissolved in a solution.

Front

What is a solvent?

Back

A solvent is the substance that dissolves the solute in a solution.

Front

What is filtration?

Back

Filtration is a process used to separate solids from liquids using a filter.

Front

What is evaporation?

Back

Evaporation is the process of turning liquid into vapor, often used to separate a solute from a solvent.

Front

What is a bar magnet used for in mixtures?

Back

A bar magnet can be used to separate magnetic materials, like iron filings, from non-magnetic materials, like sand.

Front

What happens to the taste of salt when it is mixed with water?

Back

The taste of salt remains the same even when it is dissolved in water.

Front

Which of the following is NOT a mixture: sand, salt, and rocks in a bucket; trail mix; water in a glass; rocks and sand in the ocean?

Back

Water in a glass is NOT a mixture; it is a solution.

Front

If you add 27 grams of salt to water and then evaporate the water, how much salt will be left?

Back

27 grams of salt will be left after evaporating the water.