Chemical Reactions and Physical Changes Quiz

What is a process that involves the rearrangement of molecules into new molecules?

• Physical change

• Solubility

• Chemical reaction

• Flammability

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5

In which type of change no new chemical substances are formed?

• Physical change

• Odor

• Endothermic reaction

• Exothermic reaction

What does the law of conservation of mass state?

• The mass of the product must be the same as the mass of the reactants in a chemical reaction

• The ability of a substance to be dissolved

• A distinctive smell

• A measure of how quickly a specific material can catch fire and burn

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5

What is a chemical reaction in which thermal energy is released?

• Solubility

• Exothermic reaction

• Flammability

• Physical change

Tags

NGSS.HS-PS1-4

What is a chemical reaction in which thermal energy is absorbed?

• Endothermic reaction

• Chemical equation

• Product

• Reactant

Tags

NGSS.MS-PS1-6

What is a shorthand form for writing reactants used and products formed in a chemical reaction?

• Chemical equation

• Odor

• Density

• Law of conservation of mass

What is the substance that exists before a chemical reaction begins?

• Exothermic reaction

• Flammability

• Reactant

• Physical change

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5

What are the substances that form as a result of the chemical reaction?

• Endothermic reaction

• Product

• Solubility

• Chemical reaction

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5

What is a measure of how quickly a specific material can catch fire and burn?

• Chemical equation

• Flammability

• Physical change

• A distinctive smell

What is the ability of a substance to be dissolved?

• Density

• Solubility

• Law of conservation of mass

• Exothermic reaction