Separating Mixtures

Front

What is a mixture?

Back

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

Front

What is a solution?

Back

A solution is a special type of mixture where one substance (the solute) dissolves in another (the solvent), forming a homogeneous mixture.

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, often a liquid like water.

Front

Which substances can dissolve in water?

Back

Substances like sugar and salt can dissolve in water, while oil and metals typically do not.

Front

How can you make sugar dissolve faster in water?

Back

You can make sugar dissolve faster by stirring the mixture or by heating the water.

Front

What happens when salt is added to water?

Back

When salt is added to water, it dissolves, breaking into its individual sodium and chloride ions.

Front

What is filtration?

Back

Filtration is a method used to separate solids from liquids or gases using a filter.

Front

What is the best method to separate sand from small pebbles?

Back

Pouring the sand and pebbles through a screen with small holes is the best method to separate them.

Front

What is the effect of temperature on solubility?

Back

Increasing the temperature usually increases the solubility of solids in liquids.