Introduction to Chemistry Quiz

What is the smallest unit of an element that retains the properties of that element?

• Molecule

• Atom

• Compound

• Mixture

Which of the following is a compound?

• Oxygen

• Water

• Iron

• Helium

What is a mixture?

• A substance made of two or more elements chemically combined

• A substance made of two or more elements or compounds physically combined

• A single element

• A single compound

Which process involves a change of state from liquid to gas?

• Melting

• Freezing

• Evaporation

• Condensation

According to the particle theory of matter, what happens to particles as temperature increases?

• They move slower

• They move faster

• They stay the same

• They disappear

What is solubility?

• The ability of a substance to conduct electricity

• The ability of a substance to dissolve in a solvent

• The ability of a substance to react with acids

• The ability of a substance to change state

Which method is used to separate a solid from a liquid in a mixture?

• Evaporation

• Filtration

• Distillation

• Condensation

What is the process of turning a liquid into a gas called?

• Filtration

• Evaporation

• Condensation

• Freezing

In a solution, what is the substance that gets dissolved called?

• Solvent

• Solute

• Mixture

• Compound

In a solution, what is the substance that does the dissolving called?

• Solvent

• Solute

• Mixture

• Compound