Unit A and D Exam

A mixture can involve two or more substances of the same phase or different phases.

• True

• False

Different phases involve liquid solid & gas. Which phase is this?

• Solid

• Liquid

• Gas

• A mix of liquid and solid

• A mix of a gas and a liquid

When a sample of matter has the same composition throughout its called...

• Homoegenous

• Heterogenous

• A Solution

• A Mixture

What part of a solution does the dissolving?

• Solvent

• Solute

• Soluble

• Solventable

• Constant

Concentrated solutions are when...

• There is a heavy amount of solute in a solution

• There is the maximum amount of solute in the solvent

• There is a small amount of solute in a solvent

• There is a concentrated level of solute equal to the solvent

Colloids, emulsions & suspensions fall under...

• Heterogenous Mixture

• Homogenous Mixture

• Solutions

• Phases

(Bigger particles end up on top) Sieving separates...

• Solids from Solids

• Solids from Liquids

• Liquids from Gases

• Solids from Gases

• Liquids from Liquids

True or False?

An insoluble substance is a substance that dissolves into another.

• True

• False

Answer explanation

An insoluble substance is a substance that DOES NOT dissolve.

The suspension mixture of sand + water is best separated by ______.

• Filtration

• Sieving

• Evaporation

• Simple Distillation

• Settling (or sedimentation)

If a solution of salt and water is being separated by evaporation. Would you end up with just the salt or just the water?

• Just the salt

• Just the water

• Both

• Neither