Chemical Reactions and Energy Changes Quiz C

Which of the following is a characteristic property that can be used to identify a substance?

• Mass

• Boiling point

• Volume

• Shape

What is the term for a reaction in which energy is released in the form of heat?

• Endothermic

• Exothermic

• Neutralization

• Precipitation

Which law states that matter cannot be created or destroyed in a chemical reaction?

• Law of Gravity

• Law of Conservation of Mass

• Law of Inertia

• Law of Definite Proportions

Tags

NGSS.MS-PS1-5

NGSS.MS-PS1-2

Which of the following is evidence that a chemical reaction has occurred?

• Change in shape

• Change in color

• Change in size

• Change in state

Tags

NGSS.MS-PS1-2

When vinegar and baking soda are mixed, bubbles form. What does this indicate?

• A physical change

• A chemical reaction

• A change in mass

• A change in temperature only

Tags

NGSS.MS-PS1-5

NGSS.MS-PS1-2

Which of the following is an example of a chemical reaction that absorbs thermal energy?

• Burning wood

• Melting ice

• Photosynthesis

• Freezing water

Which of the following best demonstrates the conservation of mass in a chemical reaction?

• The mass of the reactants equals the mass of the products

• The mass of the products is greater than the reactants

• The mass of the reactants is less than the products

• The mass changes depending on the reaction

Tags

NGSS.MS-PS1-5

Which property would NOT change during a chemical reaction?

• The number of atoms

• The color of the substance

• The temperature

• The state of matter

Tags

NGSS.MS-PS1-5

A student mixes two clear solutions and observes the formation of a solid. What is this solid called?

• Solvent

• Precipitate

• Solute

• Gas

Tags

NGSS.MS-PS1-2

Which of the following is a sign that thermal energy is being released during a chemical reaction?

• The container feels cold

• The container feels warm

• The solution turns blue

• The solution becomes cloudy

Tags

NGSS.MS-PS1-4