Chemical Properties and Reactions

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

• Flammability

• Toxicity

• Color

• Reactivity

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

What is the term used to describe the ability of a substance to undergo chemical change?

• Density

• Acidity

• Malleability

• Flammability

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5

What is the result of a chemical change?

• No change in properties

• New substances are formed

• Physical properties are altered

• Density increases

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5

Which of the following is evidence of a chemical change?

• Change in color

• Increase in density

• Change in volume

• Change in mass

Tags

NGSS.MS-PS1-2

What happens during an exothermic reaction?

• Heat is absorbed

• Energy is released

• Bonds are broken

• Temperature decreases

Tags

NGSS.HS-PS1-4

What is the term used to describe the ability of a substance to resist changes in its physical properties?

• Stability

• Reactivity

• Durability

• Flexibility

Which of the following is not a physical property?

• Color

• Density

• Flammability

• Hardness

What happens during a chemical reaction?

• Atoms are destroyed

• New atoms are created

• Atoms are rearranged

• Atoms are duplicated

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5

Which of the following is not a sign of a chemical change?

• Change in temperature

• Formation of a gas

• Change in shape

• Formation of a precipitate

Tags

NGSS.MS-PS1-2

What is the result of an endothermic reaction?

• Heat is released

• Energy is absorbed

• Bonds are formed

• Temperature increases

Tags

NGSS.MS-PS1-4