Types of Mixtures

According to the passage, what is a mixture in chemistry?

• A single substance

• A combination of two or more substances without a chemical reaction

• A chemical reaction between substances

• A pure substance

Fill in the blank: In chemistry, a pure substance is made of only one type of _________

• particle

• mixture

• solution

• compound

Which of the following is an example of a pure substance as described in the passage?

• Saltwater

• Sand and water

• Gold (Au)

• Salad

In a mixture, the individual substances lose their original properties.

• True

• False

According to the passage, what happens if you mix sand and water?

• You still have sand and water; they haven't changed into a new substance.

• They form a new chemical compound.

• The sand dissolves completely in the water.

• The mixture turns into a solid rock.

Which of the following statements best describes a mixture, based on the passage?

• The composition is always fixed

• The substances are chemically bonded

• The substances retain their individual properties and the composition can vary

• It is made of only one type of particle

What is a homogeneous mixture?

• A mixture in which the components are so evenly mixed that you can't see the individual parts. It appears as a single substance.

• A mixture in which the components can be easily separated by hand.

• A mixture that contains only one type of element.

• A mixture in which the different substances are visible and not evenly mixed.

What is the most common type of homogeneous mixture?

• Solution

• Suspension

• Colloid

• Emulsion

What is the substance that dissolves in a solution called?

• Solute

• Solvent

• Mixture

• Compound

What is the substance that does the dissolving in a solution called?

• Solvent

• Solute

• Precipitate

• Suspension