Separating Mixtures

Front

What is a mixture?

Back

A mixture is two or more substances mixed together, but not chemically combined.

Front

What is filtration?

Back

Filtration is a separation technique 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 soluble solid from a liquid.

Front

What is distillation?

Back

Distillation is a separation technique that involves heating a liquid to create vapor and then cooling it to create a liquid, used to separate liquids with different boiling points.

Front

What is a bar magnet used for in separation?

Back

A bar magnet is used to separate magnetic materials, such as iron filings, from non-magnetic materials, like sand.

Front

How can you separate salt from a mixture of salt and sand?

Back

Dissolve the mixture in water, filter out the sand, and then evaporate the water to obtain the salt.

Front

What is chromatography?

Back

Chromatography is a technique used to separate components of a mixture based on their movement through a medium.

Front

What is the purpose of using filter paper in separation?

Back

Filter paper is used to separate solids from liquids in a mixture during the filtration process.

Front

What happens during the process of evaporation?

Back

During evaporation, the liquid phase of a substance turns into vapor, leaving behind any dissolved solids.

Front

What is the difference between a mixture and a compound?

Back

A mixture consists of two or more substances that are not chemically combined, while a compound is a substance formed when two or more elements are chemically bonded.