QUIZ: Pure Substances and Mixtures

What is a pure substance?

• A pure substance is a substance that is made up of multiple types of particles or molecules.

• A pure substance is a substance that is a mixture of different substances.

• A pure substance is a substance that is made up of only one type of particle or molecule.

• A pure substance is a substance that can be separated into different components.

Define solute and solvent.

• The solute is the substance that is dissolved, and the solvent is the substance that dissolves the solute.

• The solute is the substance being dissolved, and the solvent is the substance in which the solute is dissolved.

• The solute is the substance that dissolves the solvent, and the solvent is the substance that is dissolved.

• The solute is the substance in which the solute is dissolved, and the solvent is the substance being dissolved.

Give an example of a pure substance.

• Water

• Oil

• Air

• Salt

Tags

NGSS.MS-PS1-4

What is a mixture?

• A single substance that is chemically bonded together.

• A combination of two or more substances that are chemically bonded together.

• A substance that cannot be separated into its constituent parts.

• A combination of two or more substances that are not chemically bonded together.

Explain the difference between a solute and a solvent.

• A solute is a substance that dissolves the solvent, while a solvent is a substance that is dissolved in the solute.

• A solute is a substance that is dissolved in a solvent, while a solvent is a substance that dissolves the solute.

• A solute is a substance that does not dissolve in a solvent, while a solvent is a substance that dissolves the solute.

• A solute is a substance that is dissolved in a solvent, while a solvent is a substance that does not dissolve the solute.

Provide an example of a mixture.

• Sugar and water.

• Oil and vinegar.

• Salt and water

• Milk and cereal.

What happens when a solute dissolves in a solvent?

• The solute particles remain in a solid state within the solvent.

• The solute particles evaporate and disappear.

• The solute particles combine and form a new substance.

• The solute particles separate and disperse throughout the solvent.

Tags

NGSS.MS-PS1-2

What are the two types of mixtures?

• pure mixtures and impure mixtures

• solid mixtures and liquid mixtures

• homogeneous mixtures and heterogeneous mixtures

• organic mixtures and inorganic mixtures

Give an example of a homogeneous mixture.

• Orange juice

• Saltwater

• Milk

• Vegetable soup

Which of the following is made up of two or more types of atoms chemically combined together?

• Elements
• Compounds
• Mixtures