8th T3L1 Classifying Mixtures p.95-96

What is a colloid?

• A mixture with particles that can be seen and easily separated by settling or filtration

• A homogeneous mixture containing small, undissolved particles that do not separate or settle out

• A mixture of a solvent and one or more solutes

• A solid solution made up of iron, chromium, and nickel

Which of the following is an example of a colloid?

• Paint

• Muddy river water

• Grape juice

• Stainless steel

What is a suspension?

• A mixture with particles that can be seen and easily separated by settling or filtration

• A homogeneous mixture containing small, undissolved particles that do not separate or settle out

• A mixture of a solvent and one or more solutes

• A solid solution made up of iron, chromium, and nickel

Which of the following is an example of a suspension?

• Paint

• Muddy river water

• Grape juice

• Stainless steel

What is a solution?

• A mixture with particles that can be seen and easily separated by settling or filtration

• A homogeneous mixture containing small, undissolved particles that do not separate or settle out

• A mixture of a solvent and one or more solutes

• A solid solution made up of iron, chromium, and nickel

Which of the following is an example of a solution?

• Paint

• Muddy river water

• Grape juice

• Stainless steel

What happens when a solute dissolves in a solvent?

• The solute particles become separated and surrounded by particles of the solvent

• The solute particles scatter a beam of light

• The solute particles can be seen without a microscope

• The solute particles settle out if the mixture is undisturbed

Tags

NGSS.MS-PS1-2

What type of molecules are soluble in water?

• Nonpolar molecules

• Ionic molecules

• Polar molecules

• Molecular compounds

Tags

NGSS.HS-PS1-1

What allows salt to dissolve in water?

• The solute particles become separated and surrounded by particles of the solvent

• The solute particles scatter a beam of light

• The solute particles can be seen without a microscope

• The attractions between the polar water molecules and the charged ions in salt

What is the solvent in air?

• Oxygen

• Nitrogen

• Carbon dioxide

• Water vapor