Chemical Reactions Quiz

What is rust?

• A compound called iron oxide.

• A compound called copper oxide.

• A compound called aluminum oxide.

• A compound called magnesium oxide.

Tags

NGSS.MS-PS1-5

What do the reactants represent in a chemical equation?

• The end products

• The starting substances

• The energy released

• The yield

In a chemical equation, which side are the end products found?

• Right side

• Left side

• Above the arrow

• Below the arrow

What is the term used for the substances on the left side of a chemical equation?

• Products

• Reactants

• Catalysts

• Enzymes

What is the primary function of reactants in a chemical reaction?

• To form the end products

• To provide energy

• To act as catalysts

• To yield enzymes

Tags

NGSS.MS-PS1-5

NGSS.MS-PS1-2

In the equation 2H₂ + O₂ → 2H₂O, how many hydrogen atoms are on the reactant side?

• 1

• 2

• 4

• 6

Tags

NGSS.MS-PS1-1

In the equation 2H₂ + O₂ → 2H₂O, how many oxygen atoms are on the reactant side?

• 1

• 2

• 3

• 4

Tags

NGSS.MS-PS1-1

NGSS.MS-PS1-2

What is the subscript of hydrogen in the compound H₂O?

• 1

• 2

• 3

• 4

Tags

NGSS.MS-PS1-1

How many oxygen atoms are on the product side of the equation 2H₂ + O₂ → 2H₂O?

• 1

• 2

• 3

• 4

Tags

NGSS.MS-PS1-1

In the equation 2H₂ + O₂ → 2H₂O, what is the total number of hydrogen atoms on the reactant side?

• 1

• 2

• 4

• 6

Tags

NGSS.MS-PS1-1