Reactants and Products Quizizz 2023/2024

Each substance written to the LEFT of the arrow in a chemical equation is a ____.

• reactant

• product

• precipitate

• catalyst

Tags

NGSS.MS-PS1-5

What is a group of atoms bonded together?

• products

• consumer

• molecule

• reactants

Tags

NGSS.MS-PS1-1

What is a substance that is formed after a reaction has occurred?

• heterotroph

• product

• reactant

• autotroph

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5

What is a substance that is a part of a reaction and goes through a change?

• reactant

• molecule

• product

• yield

Tags

NGSS.MS-PS1-2

A change in _____ is a sign of ENERGY being used in a chemical reaction.

• temperature

• odor

• color

• texture

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-4

2H₂O_{2 --->} 2H₂O + O₂

_{What are the reactants of this equation?}

• hydrogen peroxide (2H₂O₂₎

• water (2H₂O)

• oxygen (O₂₎

• all of these

Tags

NGSS.MS-PS1-1

Some baking soda and vinegar were mixed in a closed bag. A students observations of the closed bag are as follows:

Which of the following indicates a CHEMICAL change?

• The bag inflated, indicating a gas has formed.

• The color of the reactants and products stayed the same.

• There is liquid in the bag both before and after.

• The bag is now slightly colder to the touch, indicating a temperature decrease.

Tags

NGSS.MS-PS1-2

What has happened to the hydrogen peroxide in the model?

• The bonds in the hydrogen peroxide molecules have disappeared, and it turns into salt.

• The hydrogen peroxide spreads out, and hydrogen peroxide is turned to water vapor and solid oxygen.

• The bonds in the hydrogen peroxide molecules have broken, and it turns into water and oxygen.

• There is no change occurring in the model.

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5

Law of conservation of mass states that mass is neither _________ ____ _________​   in chemical reactions.

Tags

NGSS.MS-PS1-5

A product is a new compound or molecule

• True

• False

Tags

NGSS.MS-PS1-1