Chemical Reactions Quiz

Which of the following indicate that a chemical reaction has occurred?

• the formation of gas bubbles

• a change in color

• an odor

• all of these indicate that a chemical reaction has occurred

Tags

NGSS.MS-PS1-2

The particles that make up gases are __________.

• very far apart

• very close together

How are reflectivity and solubility related?

• They are both physical properties of matter.

• They are both chemical properties of matter.

• They are both physical changes of matter.

• They are both chemical changes of matter.

Tags

NGSS.MS-PS4-2

You are performing an experiment combining two substances in a closed container. You first pour 350 mL of substance one followed by 430 mL of substance two. A chemical reaction occurs. Choose the equation below that would best explain the total mass of the combined substances.

• 430 mL - 350 mL = 80 mL

• 350 mL x 430 mL = 780 mL

• 350 mL + 430 mL = 780 mL

• 780 mL - 430 mL = 350 mL

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5

A __________ property is a characteristic that can be observed and measured.

• chemical

• physical

A __________ produces new matter with new and different properties.

• physical change

• chemical property

• chemical change

• physical property

Tags

NGSS.MS-PS1-5

The ability to burn is an example of a physical property.

• True

• False

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5

__________ is a physical property that describes how light reflects off of an object.

• Reflectivity
• solubility

• flammability

Tags

NGSS.MS-PS4-2

The amount of space an object takes up is its ________.

• matter

• mass

• volume

• property

A boiled egg in its shell weighs ________ a raw egg in its shell.

• more than

• less than

• the same as