Mixtures and separation techniques

This process allows the fine flour particles to pass through the holes of the strainer while the bigger impurities remain on the strainer. What is this process called?

True or false: Magnets can be used to separate iron filings from sand

• True

• False

True or false: Sieving can be used to separate a mixture with two solid components of different sizes

• True

• False

The air around us is an example of a mixture

• True

• False

When sugar dissolves in a glass of warm water, the sugar is the_________

• Solute

• Solvent

What separation technique did you use to separate the iron filings?

• Sieving

• Filtration

• Magnetic separation

What will a liquid change states to if you take away heat?

• Gas

• Stay a liquid

• solid

• solution

When a Gas goes to a liquid this is known as ___________

• Evaporation

• Condensation

• Freezing

• Melting

Which of the following substances are Insoluble?

• Salt

• Sugar

• Sand

• Coffee

The image shows a mixture of concrete nails and saw dusts. What technique is best to use to separate the nails from the saw dusts?

• sieving

• chromatography

• decantation

• magnetic separation