Div 2 Test Review

What is the difference between homogenous and heterogenous mixtures?

• Homogeneous looks the same throughout with an even texture. Heterogenous have different parts, texture is uneven.

• Homogeneous mixtures often have a thicker texture than heterogenous mixtures.

• Heterogenous mixtures need a specific amount of other ingredients whereas homogenous is messier.

What is the difference between a solute and solvent?

• A solute is the substance that gets dissolved and solvent is the substance that another substance dissolves in.

• A solvent is the substance that dissolves and solute is the substance another substance dissolves in.

• None of the above.

Which one is an example of a mechanical mixture?

• Peanut Butter

• Coke

• Salad

Which heterogenous mixtures means "a mixture where different parts separate out or settle over time"?

• Solution

• Mechanical

• Suspension

What are suspensions?

• When two substances separate/settle

• When two substances mix into a solid

• When two substances create a gas.

What are emulsions?

• When a suspension has 3 layers of separated substances.

• When a substance is emulsified to become a mechanical. mixture.

• When a suspensions. is treated by an emulsifier so the substances do not separate.

What are alloys a mixture of?

• Food

• Mechanical Mixture

• Metals

• None of the above

Which technique is best for separating sugar in water?

• Filtering

• Magnetism

• Evaporation

An alloy must contain __________

• gas

• metals

• water

• heat

A smoothie is an example of a __________

• Mechanical mixture

• Heterogenous mixture

• Suspension

• Emulsion