Filtration

What is filtration used for?

• It's used for making salt crystals

• It's used for separating a liquid from a solid that cannot disolve

• all of the above

• none of the above

In a coffee machine, the ground coffee is separated from the coffee solution by using..

• sand paper

• filter paper

• toilet paper

• tissue paper

Which one of the following solids is insoluble (does NOT dissolve) in water?

• sugar
• sand
• copper sulfate
• salt

I am left behind in the filter paper. What Am I?

• Filtrate

• Solution

• Residue

• Mixture

The part of the mixture that passes through the filter paper is called the

• residue

• filtrate

• suspension

• mixture

Water in rivers is safe to drink.

• True

• False

How will you separate sand from water?

• Sieving

• Filtration

• Evaporation and crystallisation

• Hand picking

Which is an example of a solute (something that can dissolve)?

• Egg whites
• Sugar
• Water
• Acetone

Which is an example of a solvent (something that things dissolve into)?

• Salt
• Egg whites
• Water
• Sugar

The ___ is the thing being dissolved.

• solute

• solvent

• mixture

• solution