Matter and Change QUIZ

What type of matter represents two or more different substances physically blended together?

• element

• compound

• mixture

• pure substance

What type of substance is made up of atoms that are all alike?

• element

• compound

• mixture

• solution

A student is trying to separate the components of a mixture. Which of the following is true?

• A chemical reaction will need to be done.

• The components can be separated based on their different properties.

• A mixture can never be separated.

• A mixture is not matter.

During an experiment, a scientist observes bubbles and a change in color. Which of the following conclusions might the scientist make?

• Only a physical change occurred.

• Something went wrong with the experiment.

• A chemical change has taken place.

• No new substance was formed.

Which of the following represents an element?

• NaCl

• CuSO₄

• Cu

• H₂O

Which of the following is a physical property of a substance?

• It is flammable.

• It is toxic to eat.

• It reacts to form a gas.

• It is a blue solid.

Which of the following is a chemical property?

• The substance is a yellow powder.

• The substance is a clear liquid.

• The substance is combustible.

• The substance dissolves in water.

Which of the following mixtures is homogeneous?

• sugar dissolved in water

• tossed salad

• vegetable soup

• sand in water

Which would be a chemical property of a metal?

• It is shiny.

• It can be shaped into a wire.

• It is a solid.

• It reacts with acid to form hydrogen gas.

Which particle diagram represents a mixture of two different compounds?

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