Physical and Chemical Properties Quiz

Which of the following is an example of a physical change?

• Burning wood

• Melting ice

• Rusting iron

• Baking a cake

Which of the following is a chemical property?

• Color

• Texture

• Reactivity with other chemicals

• Density

What does a physical change affect?

• The chemical composition of a substance

• The molecular structure of a substance

• The size, shape, or state of matter

• The formation of new substances

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What is a chemical reaction?

• A process where substances change into new substances

• A process where substances change shape

• A process where substances change color

• A process where substances change size

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Which of the following is an example of a chemical change?

• Freezing water

• Dissolving sugar in water

• Burning gasoline

• Cutting paper

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What is the result of a chemical reaction?

• The same substance in a different form

• A new substance with new properties

• A substance with the same properties

• A substance that is unchanged

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NGSS.MS-PS1-2

What does the law of conservation of mass state?

• Matter can be created and destroyed

• Matter cannot change form

• Matter cannot be created or destroyed

• Matter can only increase in mass

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Why is the law of conservation of mass important in chemistry?

• It explains why reactions are explosive

• It helps understand the total mass of products equals the mass of reactants

• It shows how to create new matter

• It describes how to change the color of substances

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What happens when hydrogen molecules collide with oxygen molecules?

• They form carbon dioxide

• They form water molecules

• They form hydrogen peroxide

• They form oxygen gas

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What can be seen when gas escapes from a chemical reaction?

• Formation of a solid

• Bubbles

• Change in color

• Increase in temperature

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