Mixtures & Solutions

Front

What is a mixture?

Back

A mixture is a combination of two or more substances where each substance retains its own properties.

Front

What is a solution?

Back

A solution is a special type of mixture where one substance (the solute) is completely dissolved in another (the solvent).

Front

If you mix 20 grams of salt with 30 grams of sand, what is the total weight of the mixture?

Back

50 grams.

Front

What happens to salt when it dissolves in water?

Back

The salt is still there (the salt is still present) but it becomes invisible as it dissolves.

Front

What is the process of separating a mixture using a filter called?

Back

Filtration.

Front

Can a magnet be used to separate all types of mixtures?

Back

No, a magnet can only separate magnetic materials from non-magnetic materials.

Front

What is an example of a solid that can dissolve in water?

Back

Salt.

Front

What is the main difference between a mixture and a compound?

Back

In a mixture, the substances retain their individual properties, while in a compound, the substances combine chemically to form a new substance.

Front

What is the role of a solvent in a solution?

Back

The solvent is the substance that dissolves the solute.

Front

What is an example of a mixture that can be easily separated?

Back

A mixture of sand and iron filings can be separated using a magnet.