06 Separating Mixtures 1

A _____________ contains a variety of elements and compounds that are not chemically combined with each other.

• compound

• element

• molecule

• mixture

Which of these is needed for filtration?

• Wire gauze

• Burner

• Funnel

• Round-bottom flask

What is filtration used for?

• It's used for drinking

• It's used for separating water and impurity

• all of the above

• none of the above

What is filtration?

• A method used to separate a solid from a liquid that dissolves in the liquid

• A separating technique used to separate a mixture of a solid and liquid where the solid does not dissolve in the liquid

Tags

NGSS.MS-ESS2-4

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 in water?

• sugar
• sand
• copper sulfate
• salt

This item is used to simply hold or approximately measure a liquid.

• beaker
• flask
• graduated cylinder
• test tube

the change of state from a liquid to a gas

• water cycle
• evaporation
• precipitation
• condensation

Tags

NGSS.MS-ESS2-4

A solution with high amount of solute

• concentrated

• saturated

• unsaturated

• diluted

Water and salt are mixed together. Hot water, coffee and sugar are mixed together. Which substance is the solvent in both?

• sugar

• water

• coffee

• salt