Year 7 Quiz Revision Part 2

In a solution of saltwater, what is the solute?

• The salt

• The water

• The saltwater

What is the definition of a heterogenous mixture?

• A combination of two or more substances that are evenly distributed

• A substance made up of only one type of atom

• A mixture where the components are not uniformly distributed

• A substance made up of two or more different types of atoms chemically bonded to one another

What is the definition of a homogenous mixture?

• A combination of two or more substances that are evenly distributed

• A substance made up of only one type of atom

• A mixture where the components are not uniformly distributed

• A substance made up of two or more different types of atoms chemically bonded to one another

H₂O is

• An element

• A compound

• A solution

• A suspension

Gold is

• An element

• A compound

• A homogenous mixture

• A heterogenous mixture

What is the definition of a colloid?

• A mixture of one substance dissolved evenly throughout another

• A suspension that does not separate easily

• A mixture of two substances, in which a solid is dispersed, undissolved, in a liquid

• A substance made up of only one type of atom

What is the definition of a suspension?

• A mixture of one substance dissolved evenly throughout another

• A suspension that does not separate easily

• A mixture of two substances, in which a solid is dispersed, undissolved, in a liquid

• A substance made up of only one type of atom

What is the definition of a solution?

• A mixture of one substance dissolved evenly throughout another

• A suspension that does not separate easily

• A mixture of two substances, in which a solid is dispersed, undissolved, in a liquid

• A substance made up of only one type of atom

This diagram depicts a

• Pure substance

• Solution

• Suspension

• Colloid

Is it a homogenous mixture or a heterogenous mixture?

• Homogenous

• Heterogenous