Balancing Chemical Equations Quiz

What is the definition of a balanced equation?

• An equation with the same number of each type of atom on both sides

• An equation with different numbers of one or more types of atoms on the two sides

• An equation with only one type of atom on both sides

• An equation with no atoms on either side

Tags

NGSS.MS-PS1-5

In the chemical equation H2 + Cl2 -> HCl, is the equation balanced?

• Yes

• No

Tags

NGSS.MS-PS1-5

To balance the equation H2 + Cl2 -> HCl, what adjustment is needed?

• Add another H2

• Add another Cl2

• Add another HCl

• Add another H

Tags

NGSS.MS-PS1-5

What is the chemical formula for hydrochloric acid?

• H2O

• HCl

• H2SO4

• HNO3

In the chemical equation H2 + O2 -> H2O, is the equation balanced?

• Yes

• No

Tags

NGSS.MS-PS1-5

To balance the equation H2 + O2 -> H2O, what adjustment is needed?

• Add another H2

• Add another O2

• Add another H2O

• Add another H

Tags

NGSS.MS-PS1-5

What is the chemical formula for hydrogen peroxide?

• H2O

• HCl

• H2SO4

• H2O2

Tags

NGSS.MS-PS1-1

In the chemical equation N2 + 3H2 -> 2NH3, is the equation balanced?

• Yes

• No

Tags

NGSS.MS-PS1-5

To balance the equation N2 + H2 -> NH3, what adjustment is needed?

• Add another N2

• Add a 2 more H2

• Add another NH3

• Add another H

Tags

NGSS.MS-PS1-5

How many hydrogen atoms are there in 2NH3?

• 2

• 3

• 4

• 6

Tags

NGSS.MS-PS1-1