Lesson 2.1 The nature of matter

What term describes the process where a solid turns directly into a gas without passing through the liquid phase?

• Evaporation

• Condensation

• Sublimation

• Melting

What is the term for the temperature at which a solid becomes a liquid?

• Boiling point

• Freezing point

• Melting point

• Condensation point

Which term refers to the process of a liquid changing into a gas?

• Condensation

• Evaporation

• Freezing

• Sublimation

What is the term for a mixture of two or more metals?

• Solvent

• Alloy

• Solute

• Impurity

Which term describes the ability of one substance to mix with another?

• Miscibility

• Solubility

• Dissolution

• Impurity

What do you call a substance that is dissolved in a solvent to form a solution?

• Solute

• Solvent

• Alloy

• Impurity

What term describes the temperature at which a liquid turns into a solid?

• Melting point

• Freezing point

• Boiling point

• Condensation point

Which term is used to describe the process of a gas turning into a liquid?

• Sublimation

• Boiling

• Evaporation

• Condensation

What term refers to the liquid in which a solute is dissolved to form a solution?

• Solute

• Solvent

• Alloy

• Impurity

Which term describes a substance that lowers the melting point of another substance?

• Solute

• Solvent

• Impurity

• Alloy